4144840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 10834560

約数和(自身を除く): 6689720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 131, 140, 226, 262, 280, 452, 524, 565, 655, 791, 904, 917, 1048, 1130, 1310, 1582, 1834, 2260, 2620, 3164, 3668, 3955, 4520, 4585, 5240, 6328, 7336, 7910, 9170, 14803, 15820, 18340, 29606, 31640, 36680, 59212, 74015, 103621, 118424, 148030, 207242, 296060, 414484, 518105, 592120, 828968, 1036210, 2072420, 4144840]

約数ペア:

[(1, 4144840), (2, 2072420), (4, 1036210), (5, 828968), (7, 592120), (8, 518105), (10, 414484), (14, 296060), (20, 207242), (28, 148030), (35, 118424), (40, 103621), (56, 74015), (70, 59212), (113, 36680), (131, 31640), (140, 29606), (226, 18340), (262, 15820), (280, 14803), (452, 9170), (524, 7910), (565, 7336), (655, 6328), (791, 5240), (904, 4585), (917, 4520), (1048, 3955), (1130, 3668), (1310, 3164), (1582, 2620), (1834, 2260)]