203376680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{929}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 494499600

約数和(自身を除く): 291122920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 421, 520, 842, 929, 1684, 1858, 2105, 3368, 3716, 4210, 4645, 5473, 7432, 8420, 9290, 10946, 12077, 16840, 18580, 21892, 24154, 27365, 37160, 43784, 48308, 54730, 60385, 96616, 109460, 120770, 218920, 241540, 391109, 483080, 782218, 1564436, 1955545, 3128872, 3911090, 5084417, 7822180, 10168834, 15644360, 20337668, 25422085, 40675336, 50844170, 101688340, 203376680]

約数ペア:

[(1, 203376680), (2, 101688340), (4, 50844170), (5, 40675336), (8, 25422085), (10, 20337668), (13, 15644360), (20, 10168834), (26, 7822180), (40, 5084417), (52, 3911090), (65, 3128872), (104, 1955545), (130, 1564436), (260, 782218), (421, 483080), (520, 391109), (842, 241540), (929, 218920), (1684, 120770), (1858, 109460), (2105, 96616), (3368, 60385), (3716, 54730), (4210, 48308), (4645, 43784), (5473, 37160), (7432, 27365), (8420, 24154), (9290, 21892), (10946, 18580), (12077, 16840)]