1998706860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{24841}}^1$

素因数の和:25008

約数の個数: 96

約数和(自身を含む): 6260184000

約数和(自身を除く): 4261477140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 149, 180, 270, 298, 447, 540, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4023, 4470, 5364, 6705, 8046, 8940, 13410, 16092, 20115, 24841, 26820, 40230, 49682, 74523, 80460, 99364, 124205, 149046, 223569, 248410, 298092, 372615, 447138, 496820, 670707, 745230, 894276, 1117845, 1341414, 1490460, 2235690, 2682828, 3353535, 3701309, 4471380, 6707070, 7402618, 11103927, 13414140, 14805236, 18506545, 22207854, 33311781, 37013090, 44415708, 55519635, 66623562, 74026180, 99935343, 111039270, 133247124, 166558905, 199870686, 222078540, 333117810, 399741372, 499676715, 666235620, 999353430, 1998706860]

約数ペア:

[(1, 1998706860), (2, 999353430), (3, 666235620), (4, 499676715), (5, 399741372), (6, 333117810), (9, 222078540), (10, 199870686), (12, 166558905), (15, 133247124), (18, 111039270), (20, 99935343), (27, 74026180), (30, 66623562), (36, 55519635), (45, 44415708), (54, 37013090), (60, 33311781), (90, 22207854), (108, 18506545), (135, 14805236), (149, 13414140), (180, 11103927), (270, 7402618), (298, 6707070), (447, 4471380), (540, 3701309), (596, 3353535), (745, 2682828), (894, 2235690), (1341, 1490460), (1490, 1341414), (1788, 1117845), (2235, 894276), (2682, 745230), (2980, 670707), (4023, 496820), (4470, 447138), (5364, 372615), (6705, 298092), (8046, 248410), (8940, 223569), (13410, 149046), (16092, 124205), (20115, 99364), (24841, 80460), (26820, 74523), (40230, 49682)]