18284500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 44946720

約数和(自身を除く): 26662220

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 97, 100, 116, 125, 130, 145, 194, 250, 260, 290, 325, 377, 388, 485, 500, 580, 650, 725, 754, 970, 1261, 1300, 1450, 1508, 1625, 1885, 1940, 2425, 2522, 2813, 2900, 3250, 3625, 3770, 4850, 5044, 5626, 6305, 6500, 7250, 7540, 9425, 9700, 11252, 12125, 12610, 14065, 14500, 18850, 24250, 25220, 28130, 31525, 36569, 37700, 47125, 48500, 56260, 63050, 70325, 73138, 94250, 126100, 140650, 146276, 157625, 182845, 188500, 281300, 315250, 351625, 365690, 630500, 703250, 731380, 914225, 1406500, 1828450, 3656900, 4571125, 9142250, 18284500]

約数ペア:

[(1, 18284500), (2, 9142250), (4, 4571125), (5, 3656900), (10, 1828450), (13, 1406500), (20, 914225), (25, 731380), (26, 703250), (29, 630500), (50, 365690), (52, 351625), (58, 315250), (65, 281300), (97, 188500), (100, 182845), (116, 157625), (125, 146276), (130, 140650), (145, 126100), (194, 94250), (250, 73138), (260, 70325), (290, 63050), (325, 56260), (377, 48500), (388, 47125), (485, 37700), (500, 36569), (580, 31525), (650, 28130), (725, 25220), (754, 24250), (970, 18850), (1261, 14500), (1300, 14065), (1450, 12610), (1508, 12125), (1625, 11252), (1885, 9700), (1940, 9425), (2425, 7540), (2522, 7250), (2813, 6500), (2900, 6305), (3250, 5626), (3625, 5044), (3770, 4850)]