210004020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{22013}}^1$

素因数の和:22081

約数の個数: 72

約数和(自身を含む): 649060776

約数和(自身を除く): 439056756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 22013, 44026, 66039, 88052, 110065, 132078, 198117, 220130, 264156, 330195, 396234, 440260, 660390, 792468, 990585, 1166689, 1320780, 1981170, 2333378, 3500067, 3962340, 4666756, 5833445, 7000134, 10500201, 11666890, 14000268, 17500335, 21000402, 23333780, 35000670, 42000804, 52501005, 70001340, 105002010, 210004020]

約数ペア:

[(1, 210004020), (2, 105002010), (3, 70001340), (4, 52501005), (5, 42000804), (6, 35000670), (9, 23333780), (10, 21000402), (12, 17500335), (15, 14000268), (18, 11666890), (20, 10500201), (30, 7000134), (36, 5833445), (45, 4666756), (53, 3962340), (60, 3500067), (90, 2333378), (106, 1981170), (159, 1320780), (180, 1166689), (212, 990585), (265, 792468), (318, 660390), (477, 440260), (530, 396234), (636, 330195), (795, 264156), (954, 220130), (1060, 198117), (1590, 132078), (1908, 110065), (2385, 88052), (3180, 66039), (4770, 44026), (9540, 22013)]