657430460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{18773}}^1$

素因数の和:18902

約数の個数: 48

約数和(自身を含む): 1476086976

約数和(自身を除く): 818656516

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 515, 1030, 1751, 2060, 3502, 7004, 8755, 17510, 18773, 35020, 37546, 75092, 93865, 187730, 319141, 375460, 638282, 1276564, 1595705, 1933619, 3191410, 3867238, 6382820, 7734476, 9668095, 19336190, 32871523, 38672380, 65743046, 131486092, 164357615, 328715230, 657430460]

約数ペア:

[(1, 657430460), (2, 328715230), (4, 164357615), (5, 131486092), (10, 65743046), (17, 38672380), (20, 32871523), (34, 19336190), (68, 9668095), (85, 7734476), (103, 6382820), (170, 3867238), (206, 3191410), (340, 1933619), (412, 1595705), (515, 1276564), (1030, 638282), (1751, 375460), (2060, 319141), (3502, 187730), (7004, 93865), (8755, 75092), (17510, 37546), (18773, 35020)]