61478890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 126489600

約数和(自身を除く): 65010710

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 149, 155, 242, 298, 310, 341, 605, 682, 745, 1210, 1331, 1490, 1639, 1705, 2662, 3278, 3410, 3751, 4619, 6655, 7502, 8195, 9238, 13310, 16390, 18029, 18755, 23095, 36058, 37510, 41261, 46190, 50809, 82522, 90145, 101618, 180290, 198319, 206305, 254045, 396638, 412610, 508090, 558899, 991595, 1117798, 1983190, 2794495, 5588990, 6147889, 12295778, 30739445, 61478890]

約数ペア:

[(1, 61478890), (2, 30739445), (5, 12295778), (10, 6147889), (11, 5588990), (22, 2794495), (31, 1983190), (55, 1117798), (62, 991595), (110, 558899), (121, 508090), (149, 412610), (155, 396638), (242, 254045), (298, 206305), (310, 198319), (341, 180290), (605, 101618), (682, 90145), (745, 82522), (1210, 50809), (1331, 46190), (1490, 41261), (1639, 37510), (1705, 36058), (2662, 23095), (3278, 18755), (3410, 18029), (3751, 16390), (4619, 13310), (6655, 9238), (7502, 8195)]