2418920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 6376320

約数和(自身を除く): 3957400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 163, 212, 265, 280, 326, 371, 424, 530, 652, 742, 815, 1060, 1141, 1304, 1484, 1630, 1855, 2120, 2282, 2968, 3260, 3710, 4564, 5705, 6520, 7420, 8639, 9128, 11410, 14840, 17278, 22820, 34556, 43195, 45640, 60473, 69112, 86390, 120946, 172780, 241892, 302365, 345560, 483784, 604730, 1209460, 2418920]

約数ペア:

[(1, 2418920), (2, 1209460), (4, 604730), (5, 483784), (7, 345560), (8, 302365), (10, 241892), (14, 172780), (20, 120946), (28, 86390), (35, 69112), (40, 60473), (53, 45640), (56, 43195), (70, 34556), (106, 22820), (140, 17278), (163, 14840), (212, 11410), (265, 9128), (280, 8639), (326, 7420), (371, 6520), (424, 5705), (530, 4564), (652, 3710), (742, 3260), (815, 2968), (1060, 2282), (1141, 2120), (1304, 1855), (1484, 1630)]