15697916900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{809}}^1\times {\mathrm{3181}}^1$

素因数の和:4065

約数の個数: 72

約数和(自身を含む): 34676608680

約数和(自身を除く): 18978691780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 809, 1220, 1525, 1618, 3050, 3181, 3236, 4045, 6100, 6362, 8090, 12724, 15905, 16180, 20225, 31810, 40450, 49349, 63620, 79525, 80900, 98698, 159050, 194041, 197396, 246745, 318100, 388082, 493490, 776164, 970205, 986980, 1233725, 1940410, 2467450, 2573429, 3880820, 4851025, 4934900, 5146858, 9702050, 10293716, 12867145, 19404100, 25734290, 51468580, 64335725, 128671450, 156979169, 257342900, 313958338, 627916676, 784895845, 1569791690, 3139583380, 3924479225, 7848958450, 15697916900]

約数ペア:

[(1, 15697916900), (2, 7848958450), (4, 3924479225), (5, 3139583380), (10, 1569791690), (20, 784895845), (25, 627916676), (50, 313958338), (61, 257342900), (100, 156979169), (122, 128671450), (244, 64335725), (305, 51468580), (610, 25734290), (809, 19404100), (1220, 12867145), (1525, 10293716), (1618, 9702050), (3050, 5146858), (3181, 4934900), (3236, 4851025), (4045, 3880820), (6100, 2573429), (6362, 2467450), (8090, 1940410), (12724, 1233725), (15905, 986980), (16180, 970205), (20225, 776164), (31810, 493490), (40450, 388082), (49349, 318100), (63620, 246745), (79525, 197396), (80900, 194041), (98698, 159050)]