90514580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^2$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 212424408

約数和(自身を除く): 121909828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 97, 130, 148, 185, 194, 260, 370, 388, 481, 485, 740, 962, 970, 1261, 1924, 1940, 2405, 2522, 3589, 4810, 5044, 6305, 7178, 9409, 9620, 12610, 14356, 17945, 18818, 25220, 35890, 37636, 46657, 47045, 71780, 93314, 94090, 122317, 186628, 188180, 233285, 244634, 348133, 466570, 489268, 611585, 696266, 933140, 1223170, 1392532, 1740665, 2446340, 3481330, 4525729, 6962660, 9051458, 18102916, 22628645, 45257290, 90514580]

約数ペア:

[(1, 90514580), (2, 45257290), (4, 22628645), (5, 18102916), (10, 9051458), (13, 6962660), (20, 4525729), (26, 3481330), (37, 2446340), (52, 1740665), (65, 1392532), (74, 1223170), (97, 933140), (130, 696266), (148, 611585), (185, 489268), (194, 466570), (260, 348133), (370, 244634), (388, 233285), (481, 188180), (485, 186628), (740, 122317), (962, 94090), (970, 93314), (1261, 71780), (1924, 47045), (1940, 46657), (2405, 37636), (2522, 35890), (3589, 25220), (4810, 18818), (5044, 17945), (6305, 14356), (7178, 12610), (9409, 9620)]