1999413420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{204439}}^1$

素因数の和:204614

約数の個数: 48

約数和(自身を含む): 5632730880

約数和(自身を除く): 3633317460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890, 9780, 204439, 408878, 613317, 817756, 1022195, 1226634, 2044390, 2453268, 3066585, 4088780, 6133170, 12266340, 33323557, 66647114, 99970671, 133294228, 166617785, 199941342, 333235570, 399882684, 499853355, 666471140, 999706710, 1999413420]

約数ペア:

[(1, 1999413420), (2, 999706710), (3, 666471140), (4, 499853355), (5, 399882684), (6, 333235570), (10, 199941342), (12, 166617785), (15, 133294228), (20, 99970671), (30, 66647114), (60, 33323557), (163, 12266340), (326, 6133170), (489, 4088780), (652, 3066585), (815, 2453268), (978, 2044390), (1630, 1226634), (1956, 1022195), (2445, 817756), (3260, 613317), (4890, 408878), (9780, 204439)]