90518090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2819}}^1$

素因数の和:2871

約数の個数: 48

約数和(自身を含む): 185781600

約数和(自身を除く): 95263510

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 338, 494, 845, 1235, 1690, 2470, 2819, 3211, 5638, 6422, 14095, 16055, 28190, 32110, 36647, 53561, 73294, 107122, 183235, 267805, 366470, 476411, 535610, 696293, 952822, 1392586, 2382055, 3481465, 4764110, 6962930, 9051809, 18103618, 45259045, 90518090]

約数ペア:

[(1, 90518090), (2, 45259045), (5, 18103618), (10, 9051809), (13, 6962930), (19, 4764110), (26, 3481465), (38, 2382055), (65, 1392586), (95, 952822), (130, 696293), (169, 535610), (190, 476411), (247, 366470), (338, 267805), (494, 183235), (845, 107122), (1235, 73294), (1690, 53561), (2470, 36647), (2819, 32110), (3211, 28190), (5638, 16055), (6422, 14095)]