398644740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:880

約数の個数: 240

約数和(自身を含む): 1407022848

約数和(自身を除く): 1008378108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 27, 30, 36, 39, 45, 46, 52, 54, 60, 65, 69, 78, 81, 90, 92, 108, 115, 117, 130, 135, 138, 156, 162, 180, 195, 207, 230, 234, 260, 270, 276, 299, 324, 345, 351, 390, 405, 414, 460, 468, 540, 585, 598, 621, 690, 702, 780, 810, 823, 828, 897, 1035, 1053, 1170, 1196, 1242, 1380, 1404, 1495, 1620, 1646, 1755, 1794, 1863, 2070, 2106, 2340, 2469, 2484, 2691, 2990, 3105, 3292, 3510, 3588, 3726, 4115, 4140, 4212, 4485, 4938, 5265, 5382, 5980, 6210, 7020, 7407, 7452, 8073, 8230, 8970, 9315, 9876, 10530, 10699, 10764, 12345, 12420, 13455, 14814, 16146, 16460, 17940, 18630, 18929, 21060, 21398, 22221, 24219, 24690, 26910, 29628, 32097, 32292, 37035, 37260, 37858, 40365, 42796, 44442, 48438, 49380, 53495, 53820, 56787, 64194, 66663, 74070, 75716, 80730, 88884, 94645, 96291, 96876, 106990, 111105, 113574, 121095, 128388, 133326, 148140, 160485, 161460, 170361, 189290, 192582, 213980, 222210, 227148, 242190, 246077, 266652, 283935, 288873, 320970, 333315, 340722, 378580, 385164, 444420, 481455, 484380, 492154, 511083, 567870, 577746, 641940, 666630, 681444, 738231, 851805, 866619, 962910, 984308, 1022166, 1135740, 1155492, 1230385, 1333260, 1444365, 1476462, 1533249, 1703610, 1733238, 1925820, 2044332, 2214693, 2460770, 2555415, 2888730, 2952924, 3066498, 3407220, 3466476, 3691155, 4333095, 4429386, 4921540, 5110830, 5777460, 6132996, 6644079, 7382310, 7666245, 8666190, 8858772, 10221660, 11073465, 13288158, 14764620, 15332490, 17332380, 19932237, 22146930, 26576316, 30664980, 33220395, 39864474, 44293860, 66440790, 79728948, 99661185, 132881580, 199322370, 398644740]

約数ペア:

[(1, 398644740), (2, 199322370), (3, 132881580), (4, 99661185), (5, 79728948), (6, 66440790), (9, 44293860), (10, 39864474), (12, 33220395), (13, 30664980), (15, 26576316), (18, 22146930), (20, 19932237), (23, 17332380), (26, 15332490), (27, 14764620), (30, 13288158), (36, 11073465), (39, 10221660), (45, 8858772), (46, 8666190), (52, 7666245), (54, 7382310), (60, 6644079), (65, 6132996), (69, 5777460), (78, 5110830), (81, 4921540), (90, 4429386), (92, 4333095), (108, 3691155), (115, 3466476), (117, 3407220), (130, 3066498), (135, 2952924), (138, 2888730), (156, 2555415), (162, 2460770), (180, 2214693), (195, 2044332), (207, 1925820), (230, 1733238), (234, 1703610), (260, 1533249), (270, 1476462), (276, 1444365), (299, 1333260), (324, 1230385), (345, 1155492), (351, 1135740), (390, 1022166), (405, 984308), (414, 962910), (460, 866619), (468, 851805), (540, 738231), (585, 681444), (598, 666630), (621, 641940), (690, 577746), (702, 567870), (780, 511083), (810, 492154), (823, 484380), (828, 481455), (897, 444420), (1035, 385164), (1053, 378580), (1170, 340722), (1196, 333315), (1242, 320970), (1380, 288873), (1404, 283935), (1495, 266652), (1620, 246077), (1646, 242190), (1755, 227148), (1794, 222210), (1863, 213980), (2070, 192582), (2106, 189290), (2340, 170361), (2469, 161460), (2484, 160485), (2691, 148140), (2990, 133326), (3105, 128388), (3292, 121095), (3510, 113574), (3588, 111105), (3726, 106990), (4115, 96876), (4140, 96291), (4212, 94645), (4485, 88884), (4938, 80730), (5265, 75716), (5382, 74070), (5980, 66663), (6210, 64194), (7020, 56787), (7407, 53820), (7452, 53495), (8073, 49380), (8230, 48438), (8970, 44442), (9315, 42796), (9876, 40365), (10530, 37858), (10699, 37260), (10764, 37035), (12345, 32292), (12420, 32097), (13455, 29628), (14814, 26910), (16146, 24690), (16460, 24219), (17940, 22221), (18630, 21398), (18929, 21060)]