203421420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21323}}^1$

素因数の和:21391

約数の個数: 72

約数和(自身を含む): 628716816

約数和(自身を除く): 425295396

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, 21323, 42646, 63969, 85292, 106615, 127938, 191907, 213230, 255876, 319845, 383814, 426460, 639690, 767628, 959535, 1130119, 1279380, 1919070, 2260238, 3390357, 3838140, 4520476, 5650595, 6780714, 10171071, 11301190, 13561428, 16951785, 20342142, 22602380, 33903570, 40684284, 50855355, 67807140, 101710710, 203421420]

約数ペア:

[(1, 203421420), (2, 101710710), (3, 67807140), (4, 50855355), (5, 40684284), (6, 33903570), (9, 22602380), (10, 20342142), (12, 16951785), (15, 13561428), (18, 11301190), (20, 10171071), (30, 6780714), (36, 5650595), (45, 4520476), (53, 3838140), (60, 3390357), (90, 2260238), (106, 1919070), (159, 1279380), (180, 1130119), (212, 959535), (265, 767628), (318, 639690), (477, 426460), (530, 383814), (636, 319845), (795, 255876), (954, 213230), (1060, 191907), (1590, 127938), (1908, 106615), (2385, 85292), (3180, 63969), (4770, 42646), (9540, 21323)]