215099440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 515779488

約数和(自身を除く): 300680048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 97, 106, 194, 212, 265, 388, 424, 485, 523, 530, 776, 848, 970, 1046, 1060, 1552, 1940, 2092, 2120, 2615, 3880, 4184, 4240, 5141, 5230, 7760, 8368, 10282, 10460, 20564, 20920, 25705, 27719, 41128, 41840, 50731, 51410, 55438, 82256, 101462, 102820, 110876, 138595, 202924, 205640, 221752, 253655, 277190, 405848, 411280, 443504, 507310, 554380, 811696, 1014620, 1108760, 2029240, 2217520, 2688743, 4058480, 5377486, 10754972, 13443715, 21509944, 26887430, 43019888, 53774860, 107549720, 215099440]

約数ペア:

[(1, 215099440), (2, 107549720), (4, 53774860), (5, 43019888), (8, 26887430), (10, 21509944), (16, 13443715), (20, 10754972), (40, 5377486), (53, 4058480), (80, 2688743), (97, 2217520), (106, 2029240), (194, 1108760), (212, 1014620), (265, 811696), (388, 554380), (424, 507310), (485, 443504), (523, 411280), (530, 405848), (776, 277190), (848, 253655), (970, 221752), (1046, 205640), (1060, 202924), (1552, 138595), (1940, 110876), (2092, 102820), (2120, 101462), (2615, 82256), (3880, 55438), (4184, 51410), (4240, 50731), (5141, 41840), (5230, 41128), (7760, 27719), (8368, 25705), (10282, 20920), (10460, 20564)]