239697640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{65851}}^1$

素因数の和:65882

約数の個数: 64

約数和(自身を含む): 663788160

約数和(自身を除く): 424090520

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, 65851, 131702, 263404, 329255, 460957, 526808, 658510, 856063, 921914, 1317020, 1712126, 1843828, 2304785, 2634040, 3424252, 3687656, 4280315, 4609570, 5992441, 6848504, 8560630, 9219140, 11984882, 17121260, 18438280, 23969764, 29962205, 34242520, 47939528, 59924410, 119848820, 239697640]

約数ペア:

[(1, 239697640), (2, 119848820), (4, 59924410), (5, 47939528), (7, 34242520), (8, 29962205), (10, 23969764), (13, 18438280), (14, 17121260), (20, 11984882), (26, 9219140), (28, 8560630), (35, 6848504), (40, 5992441), (52, 4609570), (56, 4280315), (65, 3687656), (70, 3424252), (91, 2634040), (104, 2304785), (130, 1843828), (140, 1712126), (182, 1317020), (260, 921914), (280, 856063), (364, 658510), (455, 526808), (520, 460957), (728, 329255), (910, 263404), (1820, 131702), (3640, 65851)]