258996920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71153}}^1$

素因数の和:71184

約数の個数: 64

約数和(自身を含む): 717232320

約数和(自身を除く): 458235400

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, 364, 455, 520, 728, 910, 1820, 3640, 71153, 142306, 284612, 355765, 498071, 569224, 711530, 924989, 996142, 1423060, 1849978, 1992284, 2490355, 2846120, 3699956, 3984568, 4624945, 4980710, 6474923, 7399912, 9249890, 9961420, 12949846, 18499780, 19922840, 25899692, 32374615, 36999560, 51799384, 64749230, 129498460, 258996920]

約数ペア:

[(1, 258996920), (2, 129498460), (4, 64749230), (5, 51799384), (7, 36999560), (8, 32374615), (10, 25899692), (13, 19922840), (14, 18499780), (20, 12949846), (26, 9961420), (28, 9249890), (35, 7399912), (40, 6474923), (52, 4980710), (56, 4624945), (65, 3984568), (70, 3699956), (91, 2846120), (104, 2490355), (130, 1992284), (140, 1849978), (182, 1423060), (260, 996142), (280, 924989), (364, 711530), (455, 569224), (520, 498071), (728, 355765), (910, 284612), (1820, 142306), (3640, 71153)]