177970340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{11423}}^1$

素因数の和:11492

約数の個数: 48

約数和(自身を含む): 403038720

約数和(自身を除く): 225068380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 11423, 15580, 22846, 45692, 57115, 114230, 217037, 228460, 434074, 468343, 868148, 936686, 1085185, 1873372, 2170370, 2341715, 4340740, 4683430, 8898517, 9366860, 17797034, 35594068, 44492585, 88985170, 177970340]

約数ペア:

[(1, 177970340), (2, 88985170), (4, 44492585), (5, 35594068), (10, 17797034), (19, 9366860), (20, 8898517), (38, 4683430), (41, 4340740), (76, 2341715), (82, 2170370), (95, 1873372), (164, 1085185), (190, 936686), (205, 868148), (380, 468343), (410, 434074), (779, 228460), (820, 217037), (1558, 114230), (3116, 57115), (3895, 45692), (7790, 22846), (11423, 15580)]