203421390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2345

約数の個数: 64

約数和(自身を含む): 506829312

約数和(自身を除く): 303407922

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 71, 86, 129, 142, 213, 215, 258, 355, 426, 430, 645, 710, 1065, 1290, 2130, 2221, 3053, 4442, 6106, 6663, 9159, 11105, 13326, 15265, 18318, 22210, 30530, 33315, 45795, 66630, 91590, 95503, 157691, 191006, 286509, 315382, 473073, 477515, 573018, 788455, 946146, 955030, 1432545, 1576910, 2365365, 2865090, 4730730, 6780713, 13561426, 20342139, 33903565, 40684278, 67807130, 101710695, 203421390]

約数ペア:

[(1, 203421390), (2, 101710695), (3, 67807130), (5, 40684278), (6, 33903565), (10, 20342139), (15, 13561426), (30, 6780713), (43, 4730730), (71, 2865090), (86, 2365365), (129, 1576910), (142, 1432545), (213, 955030), (215, 946146), (258, 788455), (355, 573018), (426, 477515), (430, 473073), (645, 315382), (710, 286509), (1065, 191006), (1290, 157691), (2130, 95503), (2221, 91590), (3053, 66630), (4442, 45795), (6106, 33315), (6663, 30530), (9159, 22210), (11105, 18318), (13326, 15265)]