398003580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2153}}^1$

素因数の和:2260

約数の個数: 144

約数和(自身を含む): 1317214080

約数和(自身を除く): 919210500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 79, 90, 117, 130, 156, 158, 180, 195, 234, 237, 260, 316, 390, 395, 468, 474, 585, 711, 780, 790, 948, 1027, 1170, 1185, 1422, 1580, 2054, 2153, 2340, 2370, 2844, 3081, 3555, 4108, 4306, 4740, 5135, 6162, 6459, 7110, 8612, 9243, 10270, 10765, 12324, 12918, 14220, 15405, 18486, 19377, 20540, 21530, 25836, 27989, 30810, 32295, 36972, 38754, 43060, 46215, 55978, 61620, 64590, 77508, 83967, 92430, 96885, 111956, 129180, 139945, 167934, 170087, 184860, 193770, 251901, 279890, 335868, 340174, 387540, 419835, 503802, 510261, 559780, 680348, 839670, 850435, 1007604, 1020522, 1259505, 1530783, 1679340, 1700870, 2041044, 2211131, 2519010, 2551305, 3061566, 3401740, 4422262, 5038020, 5102610, 6123132, 6633393, 7653915, 8844524, 10205220, 11055655, 13266786, 15307830, 19900179, 22111310, 26533572, 30615660, 33166965, 39800358, 44222620, 66333930, 79600716, 99500895, 132667860, 199001790, 398003580]

約数ペア:

[(1, 398003580), (2, 199001790), (3, 132667860), (4, 99500895), (5, 79600716), (6, 66333930), (9, 44222620), (10, 39800358), (12, 33166965), (13, 30615660), (15, 26533572), (18, 22111310), (20, 19900179), (26, 15307830), (30, 13266786), (36, 11055655), (39, 10205220), (45, 8844524), (52, 7653915), (60, 6633393), (65, 6123132), (78, 5102610), (79, 5038020), (90, 4422262), (117, 3401740), (130, 3061566), (156, 2551305), (158, 2519010), (180, 2211131), (195, 2041044), (234, 1700870), (237, 1679340), (260, 1530783), (316, 1259505), (390, 1020522), (395, 1007604), (468, 850435), (474, 839670), (585, 680348), (711, 559780), (780, 510261), (790, 503802), (948, 419835), (1027, 387540), (1170, 340174), (1185, 335868), (1422, 279890), (1580, 251901), (2054, 193770), (2153, 184860), (2340, 170087), (2370, 167934), (2844, 139945), (3081, 129180), (3555, 111956), (4108, 96885), (4306, 92430), (4740, 83967), (5135, 77508), (6162, 64590), (6459, 61620), (7110, 55978), (8612, 46215), (9243, 43060), (10270, 38754), (10765, 36972), (12324, 32295), (12918, 30810), (14220, 27989), (15405, 25836), (18486, 21530), (19377, 20540)]