245305580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 192

約数和(自身を含む): 650280960

約数和(自身を除く): 404975380

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 23, 26, 34, 38, 46, 52, 65, 68, 76, 85, 92, 95, 115, 127, 130, 170, 190, 221, 230, 247, 254, 260, 299, 323, 340, 380, 391, 437, 442, 460, 494, 508, 598, 635, 646, 782, 874, 884, 988, 1105, 1196, 1235, 1270, 1292, 1495, 1564, 1615, 1651, 1748, 1955, 2159, 2185, 2210, 2413, 2470, 2540, 2921, 2990, 3230, 3302, 3910, 4199, 4318, 4370, 4420, 4826, 4940, 5083, 5681, 5842, 5980, 6460, 6604, 7429, 7820, 8255, 8398, 8636, 8740, 9652, 10166, 10795, 11362, 11684, 12065, 14605, 14858, 16510, 16796, 20332, 20995, 21590, 22724, 24130, 25415, 28067, 28405, 29210, 29716, 31369, 33020, 37145, 37973, 41021, 41990, 43180, 48260, 49657, 50830, 55499, 56134, 56810, 58420, 62738, 74290, 75946, 82042, 83980, 96577, 99314, 101660, 110998, 112268, 113620, 125476, 140335, 148580, 151892, 156845, 164084, 189865, 193154, 198628, 205105, 221996, 248285, 277495, 280670, 313690, 379730, 386308, 410210, 482885, 496570, 533273, 554990, 561340, 627380, 645541, 721487, 759460, 820420, 943483, 965770, 993140, 1066546, 1109980, 1291082, 1442974, 1886966, 1931540, 2133092, 2582164, 2666365, 2885948, 3227705, 3607435, 3773932, 4717415, 5332730, 6455410, 7214870, 9434830, 10665460, 12265279, 12910820, 14429740, 18869660, 24530558, 49061116, 61326395, 122652790, 245305580]

約数ペア:

[(1, 245305580), (2, 122652790), (4, 61326395), (5, 49061116), (10, 24530558), (13, 18869660), (17, 14429740), (19, 12910820), (20, 12265279), (23, 10665460), (26, 9434830), (34, 7214870), (38, 6455410), (46, 5332730), (52, 4717415), (65, 3773932), (68, 3607435), (76, 3227705), (85, 2885948), (92, 2666365), (95, 2582164), (115, 2133092), (127, 1931540), (130, 1886966), (170, 1442974), (190, 1291082), (221, 1109980), (230, 1066546), (247, 993140), (254, 965770), (260, 943483), (299, 820420), (323, 759460), (340, 721487), (380, 645541), (391, 627380), (437, 561340), (442, 554990), (460, 533273), (494, 496570), (508, 482885), (598, 410210), (635, 386308), (646, 379730), (782, 313690), (874, 280670), (884, 277495), (988, 248285), (1105, 221996), (1196, 205105), (1235, 198628), (1270, 193154), (1292, 189865), (1495, 164084), (1564, 156845), (1615, 151892), (1651, 148580), (1748, 140335), (1955, 125476), (2159, 113620), (2185, 112268), (2210, 110998), (2413, 101660), (2470, 99314), (2540, 96577), (2921, 83980), (2990, 82042), (3230, 75946), (3302, 74290), (3910, 62738), (4199, 58420), (4318, 56810), (4370, 56134), (4420, 55499), (4826, 50830), (4940, 49657), (5083, 48260), (5681, 43180), (5842, 41990), (5980, 41021), (6460, 37973), (6604, 37145), (7429, 33020), (7820, 31369), (8255, 29716), (8398, 29210), (8636, 28405), (8740, 28067), (9652, 25415), (10166, 24130), (10795, 22724), (11362, 21590), (11684, 20995), (12065, 20332), (14605, 16796), (14858, 16510)]