207798210

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{256541}}^1$

素因数の和:256560

約数の個数: 40

約数和(自身を含む): 558748476

約数和(自身を除く): 350950266

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 256541, 513082, 769623, 1282705, 1539246, 2308869, 2565410, 3848115, 4617738, 6926607, 7696230, 11544345, 13853214, 20779821, 23088690, 34633035, 41559642, 69266070, 103899105, 207798210]

約数ペア:

[(1, 207798210), (2, 103899105), (3, 69266070), (5, 41559642), (6, 34633035), (9, 23088690), (10, 20779821), (15, 13853214), (18, 11544345), (27, 7696230), (30, 6926607), (45, 4617738), (54, 3848115), (81, 2565410), (90, 2308869), (135, 1539246), (162, 1282705), (270, 769623), (405, 513082), (810, 256541)]