17155420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 20382500

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 239, 370, 388, 478, 485, 740, 956, 970, 1195, 1940, 2390, 3589, 4780, 7178, 8843, 14356, 17686, 17945, 23183, 35372, 35890, 44215, 46366, 71780, 88430, 92732, 115915, 176860, 231830, 463660, 857771, 1715542, 3431084, 4288855, 8577710, 17155420]

約数ペア:

[(1, 17155420), (2, 8577710), (4, 4288855), (5, 3431084), (10, 1715542), (20, 857771), (37, 463660), (74, 231830), (97, 176860), (148, 115915), (185, 92732), (194, 88430), (239, 71780), (370, 46366), (388, 44215), (478, 35890), (485, 35372), (740, 23183), (956, 17945), (970, 17686), (1195, 14356), (1940, 8843), (2390, 7178), (3589, 4780)]