11177980

素因数分解:

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

素因数の和:211

約数の個数: 72

約数和(自身を含む): 26812800

約数和(自身を除く): 15634820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 149, 155, 220, 242, 298, 310, 341, 484, 596, 605, 620, 682, 745, 1210, 1364, 1490, 1639, 1705, 2420, 2980, 3278, 3410, 3751, 4619, 6556, 6820, 7502, 8195, 9238, 15004, 16390, 18029, 18476, 18755, 23095, 32780, 36058, 37510, 46190, 50809, 72116, 75020, 90145, 92380, 101618, 180290, 203236, 254045, 360580, 508090, 558899, 1016180, 1117798, 2235596, 2794495, 5588990, 11177980]

約数ペア:

[(1, 11177980), (2, 5588990), (4, 2794495), (5, 2235596), (10, 1117798), (11, 1016180), (20, 558899), (22, 508090), (31, 360580), (44, 254045), (55, 203236), (62, 180290), (110, 101618), (121, 92380), (124, 90145), (149, 75020), (155, 72116), (220, 50809), (242, 46190), (298, 37510), (310, 36058), (341, 32780), (484, 23095), (596, 18755), (605, 18476), (620, 18029), (682, 16390), (745, 15004), (1210, 9238), (1364, 8195), (1490, 7502), (1639, 6820), (1705, 6556), (2420, 4619), (2980, 3751), (3278, 3410)]