1999914050

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{547}}^1\times {\mathrm{881}}^1$

素因数の和:1523

約数の個数: 48

約数和(自身を含む): 3775820832

約数和(自身を除く): 1775906782

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 547, 830, 881, 1094, 1762, 2075, 2735, 4150, 4405, 5470, 8810, 13675, 22025, 27350, 44050, 45401, 73123, 90802, 146246, 227005, 365615, 454010, 481907, 731230, 963814, 1135025, 1828075, 2270050, 2409535, 3656150, 4819070, 12047675, 24095350, 39998281, 79996562, 199991405, 399982810, 999957025, 1999914050]

約数ペア:

[(1, 1999914050), (2, 999957025), (5, 399982810), (10, 199991405), (25, 79996562), (50, 39998281), (83, 24095350), (166, 12047675), (415, 4819070), (547, 3656150), (830, 2409535), (881, 2270050), (1094, 1828075), (1762, 1135025), (2075, 963814), (2735, 731230), (4150, 481907), (4405, 454010), (5470, 365615), (8810, 227005), (13675, 146246), (22025, 90802), (27350, 73123), (44050, 45401)]