90435250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 181209600

約数和(自身を除く): 90774350

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 79, 95, 125, 158, 190, 241, 250, 395, 475, 482, 790, 950, 1205, 1501, 1975, 2375, 2410, 3002, 3950, 4579, 4750, 6025, 7505, 9158, 9875, 12050, 15010, 19039, 19750, 22895, 30125, 37525, 38078, 45790, 60250, 75050, 95195, 114475, 187625, 190390, 228950, 361741, 375250, 475975, 572375, 723482, 951950, 1144750, 1808705, 2379875, 3617410, 4759750, 9043525, 18087050, 45217625, 90435250]

約数ペア:

[(1, 90435250), (2, 45217625), (5, 18087050), (10, 9043525), (19, 4759750), (25, 3617410), (38, 2379875), (50, 1808705), (79, 1144750), (95, 951950), (125, 723482), (158, 572375), (190, 475975), (241, 375250), (250, 361741), (395, 228950), (475, 190390), (482, 187625), (790, 114475), (950, 95195), (1205, 75050), (1501, 60250), (1975, 45790), (2375, 38078), (2410, 37525), (3002, 30125), (3950, 22895), (4579, 19750), (4750, 19039), (6025, 15010), (7505, 12050), (9158, 9875)]