1022840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 2842560

約数和(自身を除く): 1819720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 281, 364, 455, 520, 562, 728, 910, 1124, 1405, 1820, 1967, 2248, 2810, 3640, 3653, 3934, 5620, 7306, 7868, 9835, 11240, 14612, 15736, 18265, 19670, 25571, 29224, 36530, 39340, 51142, 73060, 78680, 102284, 127855, 146120, 204568, 255710, 511420, 1022840]

約数ペア:

[(1, 1022840), (2, 511420), (4, 255710), (5, 204568), (7, 146120), (8, 127855), (10, 102284), (13, 78680), (14, 73060), (20, 51142), (26, 39340), (28, 36530), (35, 29224), (40, 25571), (52, 19670), (56, 18265), (65, 15736), (70, 14612), (91, 11240), (104, 9835), (130, 7868), (140, 7306), (182, 5620), (260, 3934), (280, 3653), (281, 3640), (364, 2810), (455, 2248), (520, 1967), (562, 1820), (728, 1405), (910, 1124)]