90601900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 206611776

約数和(自身を除く): 116009876

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 47, 50, 74, 94, 100, 148, 185, 188, 235, 370, 470, 521, 740, 925, 940, 1042, 1175, 1739, 1850, 2084, 2350, 2605, 3478, 3700, 4700, 5210, 6956, 8695, 10420, 13025, 17390, 19277, 24487, 26050, 34780, 38554, 43475, 48974, 52100, 77108, 86950, 96385, 97948, 122435, 173900, 192770, 244870, 385540, 481925, 489740, 612175, 906019, 963850, 1224350, 1812038, 1927700, 2448700, 3624076, 4530095, 9060190, 18120380, 22650475, 45300950, 90601900]

約数ペア:

[(1, 90601900), (2, 45300950), (4, 22650475), (5, 18120380), (10, 9060190), (20, 4530095), (25, 3624076), (37, 2448700), (47, 1927700), (50, 1812038), (74, 1224350), (94, 963850), (100, 906019), (148, 612175), (185, 489740), (188, 481925), (235, 385540), (370, 244870), (470, 192770), (521, 173900), (740, 122435), (925, 97948), (940, 96385), (1042, 86950), (1175, 77108), (1739, 52100), (1850, 48974), (2084, 43475), (2350, 38554), (2605, 34780), (3478, 26050), (3700, 24487), (4700, 19277), (5210, 17390), (6956, 13025), (8695, 10420)]