538447525

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1355

約数の個数: 72

約数和(自身を含む): 875301120

約数和(自身を除く): 336853595

約数列:

[1, 5, 7, 11, 25, 31, 35, 49, 55, 77, 155, 175, 217, 245, 275, 341, 385, 539, 775, 1085, 1225, 1289, 1519, 1705, 1925, 2387, 2695, 5425, 6445, 7595, 8525, 9023, 11935, 13475, 14179, 16709, 32225, 37975, 39959, 45115, 59675, 63161, 70895, 83545, 99253, 199795, 225575, 279713, 315805, 354475, 417725, 439549, 496265, 694771, 998975, 1398565, 1579025, 1957991, 2197745, 2481325, 3076843, 3473855, 6992825, 9789955, 10988725, 15384215, 17369275, 21537901, 48949775, 76921075, 107689505, 538447525]

約数ペア:

[(1, 538447525), (5, 107689505), (7, 76921075), (11, 48949775), (25, 21537901), (31, 17369275), (35, 15384215), (49, 10988725), (55, 9789955), (77, 6992825), (155, 3473855), (175, 3076843), (217, 2481325), (245, 2197745), (275, 1957991), (341, 1579025), (385, 1398565), (539, 998975), (775, 694771), (1085, 496265), (1225, 439549), (1289, 417725), (1519, 354475), (1705, 315805), (1925, 279713), (2387, 225575), (2695, 199795), (5425, 99253), (6445, 83545), (7595, 70895), (8525, 63161), (9023, 59675), (11935, 45115), (13475, 39959), (14179, 37975), (16709, 32225)]