690413185

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1063}}^1$

素因数の和:1334

約数の個数: 48

約数和(自身を含む): 1056730752

約数和(自身を除く): 366317567

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 241, 245, 385, 539, 1063, 1205, 1687, 2651, 2695, 5315, 7441, 8435, 11693, 11809, 13255, 18557, 37205, 52087, 58465, 59045, 81851, 92785, 129899, 256183, 260435, 409255, 572957, 649495, 1280915, 1793281, 2818013, 2864785, 8966405, 12552967, 14090065, 19726091, 62764835, 98630455, 138082637, 690413185]

約数ペア:

[(1, 690413185), (5, 138082637), (7, 98630455), (11, 62764835), (35, 19726091), (49, 14090065), (55, 12552967), (77, 8966405), (241, 2864785), (245, 2818013), (385, 1793281), (539, 1280915), (1063, 649495), (1205, 572957), (1687, 409255), (2651, 260435), (2695, 256183), (5315, 129899), (7441, 92785), (8435, 81851), (11693, 59045), (11809, 58465), (13255, 52087), (18557, 37205)]