313621420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:743

約数の個数: 96

約数和(自身を含む): 784465920

約数和(自身を除く): 470844500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 127, 140, 155, 217, 254, 310, 434, 508, 569, 620, 635, 868, 889, 1085, 1138, 1270, 1778, 2170, 2276, 2540, 2845, 3556, 3937, 3983, 4340, 4445, 5690, 7874, 7966, 8890, 11380, 15748, 15932, 17639, 17780, 19685, 19915, 27559, 35278, 39370, 39830, 55118, 70556, 72263, 78740, 79660, 88195, 110236, 123473, 137795, 144526, 176390, 246946, 275590, 289052, 352780, 361315, 493892, 505841, 551180, 617365, 722630, 1011682, 1234730, 1445260, 2023364, 2240153, 2469460, 2529205, 4480306, 5058410, 8960612, 10116820, 11200765, 15681071, 22401530, 31362142, 44803060, 62724284, 78405355, 156810710, 313621420]

約数ペア:

[(1, 313621420), (2, 156810710), (4, 78405355), (5, 62724284), (7, 44803060), (10, 31362142), (14, 22401530), (20, 15681071), (28, 11200765), (31, 10116820), (35, 8960612), (62, 5058410), (70, 4480306), (124, 2529205), (127, 2469460), (140, 2240153), (155, 2023364), (217, 1445260), (254, 1234730), (310, 1011682), (434, 722630), (508, 617365), (569, 551180), (620, 505841), (635, 493892), (868, 361315), (889, 352780), (1085, 289052), (1138, 275590), (1270, 246946), (1778, 176390), (2170, 144526), (2276, 137795), (2540, 123473), (2845, 110236), (3556, 88195), (3937, 79660), (3983, 78740), (4340, 72263), (4445, 70556), (5690, 55118), (7874, 39830), (7966, 39370), (8890, 35278), (11380, 27559), (15748, 19915), (15932, 19685), (17639, 17780)]