1302990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 3399408

約数和(自身を除く): 2096418

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 257, 338, 390, 507, 514, 771, 845, 1014, 1285, 1542, 1690, 2535, 2570, 3341, 3855, 5070, 6682, 7710, 10023, 16705, 20046, 33410, 43433, 50115, 86866, 100230, 130299, 217165, 260598, 434330, 651495, 1302990]

約数ペア:

[(1, 1302990), (2, 651495), (3, 434330), (5, 260598), (6, 217165), (10, 130299), (13, 100230), (15, 86866), (26, 50115), (30, 43433), (39, 33410), (65, 20046), (78, 16705), (130, 10023), (169, 7710), (195, 6682), (257, 5070), (338, 3855), (390, 3341), (507, 2570), (514, 2535), (771, 1690), (845, 1542), (1014, 1285)]