1906508720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{821771}}^1$

素因数の和:821813

約数の個数: 40

約数和(自身を含む): 4585487760

約数和(自身を除く): 2678979040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 821771, 1643542, 3287084, 4108855, 6574168, 8217710, 13148336, 16435420, 23831359, 32870840, 47662718, 65741680, 95325436, 119156795, 190650872, 238313590, 381301744, 476627180, 953254360, 1906508720]

約数ペア:

[(1, 1906508720), (2, 953254360), (4, 476627180), (5, 381301744), (8, 238313590), (10, 190650872), (16, 119156795), (20, 95325436), (29, 65741680), (40, 47662718), (58, 32870840), (80, 23831359), (116, 16435420), (145, 13148336), (232, 8217710), (290, 6574168), (464, 4108855), (580, 3287084), (1160, 1643542), (2320, 821771)]