163903100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 372142848

約数和(自身を除く): 208239748

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 47, 50, 86, 94, 100, 172, 188, 215, 235, 430, 470, 811, 860, 940, 1075, 1175, 1622, 2021, 2150, 2350, 3244, 4042, 4055, 4300, 4700, 8084, 8110, 10105, 16220, 20210, 20275, 34873, 38117, 40420, 40550, 50525, 69746, 76234, 81100, 101050, 139492, 152468, 174365, 190585, 202100, 348730, 381170, 697460, 762340, 871825, 952925, 1639031, 1743650, 1905850, 3278062, 3487300, 3811700, 6556124, 8195155, 16390310, 32780620, 40975775, 81951550, 163903100]

約数ペア:

[(1, 163903100), (2, 81951550), (4, 40975775), (5, 32780620), (10, 16390310), (20, 8195155), (25, 6556124), (43, 3811700), (47, 3487300), (50, 3278062), (86, 1905850), (94, 1743650), (100, 1639031), (172, 952925), (188, 871825), (215, 762340), (235, 697460), (430, 381170), (470, 348730), (811, 202100), (860, 190585), (940, 174365), (1075, 152468), (1175, 139492), (1622, 101050), (2021, 81100), (2150, 76234), (2350, 69746), (3244, 50525), (4042, 40550), (4055, 40420), (4300, 38117), (4700, 34873), (8084, 20275), (8110, 20210), (10105, 16220)]