207129890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{2239}}^1$

素因数の和:2315

約数の個数: 48

約数和(自身を含む): 421424640

約数和(自身を除く): 214294750

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 841, 1595, 1682, 2239, 3190, 4205, 4478, 8410, 9251, 11195, 18502, 22390, 24629, 46255, 49258, 64931, 92510, 123145, 129862, 246290, 324655, 649310, 714241, 1428482, 1882999, 3571205, 3765998, 7142410, 9414995, 18829990, 20712989, 41425978, 103564945, 207129890]

約数ペア:

[(1, 207129890), (2, 103564945), (5, 41425978), (10, 20712989), (11, 18829990), (22, 9414995), (29, 7142410), (55, 3765998), (58, 3571205), (110, 1882999), (145, 1428482), (290, 714241), (319, 649310), (638, 324655), (841, 246290), (1595, 129862), (1682, 123145), (2239, 92510), (3190, 64931), (4205, 49258), (4478, 46255), (8410, 24629), (9251, 22390), (11195, 18502)]