87131450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1439}}^1$

素因数の和:1631

約数の個数: 48

約数和(自身を含む): 186416640

約数和(自身を除く): 99285190

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 173, 175, 346, 350, 865, 1211, 1439, 1730, 2422, 2878, 4325, 6055, 7195, 8650, 10073, 12110, 14390, 20146, 30275, 35975, 50365, 60550, 71950, 100730, 248947, 251825, 497894, 503650, 1244735, 1742629, 2489470, 3485258, 6223675, 8713145, 12447350, 17426290, 43565725, 87131450]

約数ペア:

[(1, 87131450), (2, 43565725), (5, 17426290), (7, 12447350), (10, 8713145), (14, 6223675), (25, 3485258), (35, 2489470), (50, 1742629), (70, 1244735), (173, 503650), (175, 497894), (346, 251825), (350, 248947), (865, 100730), (1211, 71950), (1439, 60550), (1730, 50365), (2422, 35975), (2878, 30275), (4325, 20146), (6055, 14390), (7195, 12110), (8650, 10073)]