31065220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 67173120

約数和(自身を除く): 36107900

約数列:

[1, 2, 4, 5, 10, 20, 67, 97, 134, 194, 239, 268, 335, 388, 478, 485, 670, 956, 970, 1195, 1340, 1940, 2390, 4780, 6499, 12998, 16013, 23183, 25996, 32026, 32495, 46366, 64052, 64990, 80065, 92732, 115915, 129980, 160130, 231830, 320260, 463660, 1553261, 3106522, 6213044, 7766305, 15532610, 31065220]

約数ペア:

[(1, 31065220), (2, 15532610), (4, 7766305), (5, 6213044), (10, 3106522), (20, 1553261), (67, 463660), (97, 320260), (134, 231830), (194, 160130), (239, 129980), (268, 115915), (335, 92732), (388, 80065), (478, 64990), (485, 64052), (670, 46366), (956, 32495), (970, 32026), (1195, 25996), (1340, 23183), (1940, 16013), (2390, 12998), (4780, 6499)]