201017020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{929}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 437472000

約数和(自身を除く): 236454980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 349, 620, 698, 929, 1396, 1745, 1858, 3490, 3716, 4645, 6980, 9290, 10819, 18580, 21638, 28799, 43276, 54095, 57598, 108190, 115196, 143995, 216380, 287990, 324221, 575980, 648442, 1296884, 1621105, 3242210, 6484420, 10050851, 20101702, 40203404, 50254255, 100508510, 201017020]

約数ペア:

[(1, 201017020), (2, 100508510), (4, 50254255), (5, 40203404), (10, 20101702), (20, 10050851), (31, 6484420), (62, 3242210), (124, 1621105), (155, 1296884), (310, 648442), (349, 575980), (620, 324221), (698, 287990), (929, 216380), (1396, 143995), (1745, 115196), (1858, 108190), (3490, 57598), (3716, 54095), (4645, 43276), (6980, 28799), (9290, 21638), (10819, 18580)]