497795420

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1\times {\mathrm{659}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 1057795200

約数和(自身を除く): 559999780

約数列:

[1, 2, 4, 5, 10, 20, 179, 211, 358, 422, 659, 716, 844, 895, 1055, 1318, 1790, 2110, 2636, 3295, 3580, 4220, 6590, 13180, 37769, 75538, 117961, 139049, 151076, 188845, 235922, 278098, 377690, 471844, 556196, 589805, 695245, 755380, 1179610, 1390490, 2359220, 2780980, 24889771, 49779542, 99559084, 124448855, 248897710, 497795420]

約数ペア:

[(1, 497795420), (2, 248897710), (4, 124448855), (5, 99559084), (10, 49779542), (20, 24889771), (179, 2780980), (211, 2359220), (358, 1390490), (422, 1179610), (659, 755380), (716, 695245), (844, 589805), (895, 556196), (1055, 471844), (1318, 377690), (1790, 278098), (2110, 235922), (2636, 188845), (3295, 151076), (3580, 139049), (4220, 117961), (6590, 75538), (13180, 37769)]