402856720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 1108857600

約数和(自身を除く): 706000880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 89, 112, 118, 137, 140, 178, 236, 274, 280, 295, 356, 413, 445, 472, 548, 560, 590, 623, 685, 712, 826, 890, 944, 959, 1096, 1180, 1246, 1370, 1424, 1652, 1780, 1918, 2065, 2192, 2360, 2492, 2740, 3115, 3304, 3560, 3836, 4130, 4720, 4795, 4984, 5251, 5480, 6230, 6608, 7120, 7672, 8083, 8260, 9590, 9968, 10502, 10960, 12193, 12460, 15344, 16166, 16520, 19180, 21004, 24386, 24920, 26255, 32332, 33040, 36757, 38360, 40415, 42008, 48772, 49840, 52510, 56581, 60965, 64664, 73514, 76720, 80830, 84016, 85351, 97544, 105020, 113162, 121930, 129328, 147028, 161660, 170702, 183785, 195088, 210040, 226324, 243860, 282905, 294056, 323320, 341404, 367570, 420080, 426755, 452648, 487720, 565810, 588112, 646640, 682808, 719387, 735140, 853510, 905296, 975440, 1131620, 1365616, 1438774, 1470280, 1707020, 2263240, 2877548, 2940560, 3414040, 3596935, 4526480, 5035709, 5755096, 6828080, 7193870, 10071418, 11510192, 14387740, 20142836, 25178545, 28775480, 40285672, 50357090, 57550960, 80571344, 100714180, 201428360, 402856720]

約数ペア:

[(1, 402856720), (2, 201428360), (4, 100714180), (5, 80571344), (7, 57550960), (8, 50357090), (10, 40285672), (14, 28775480), (16, 25178545), (20, 20142836), (28, 14387740), (35, 11510192), (40, 10071418), (56, 7193870), (59, 6828080), (70, 5755096), (80, 5035709), (89, 4526480), (112, 3596935), (118, 3414040), (137, 2940560), (140, 2877548), (178, 2263240), (236, 1707020), (274, 1470280), (280, 1438774), (295, 1365616), (356, 1131620), (413, 975440), (445, 905296), (472, 853510), (548, 735140), (560, 719387), (590, 682808), (623, 646640), (685, 588112), (712, 565810), (826, 487720), (890, 452648), (944, 426755), (959, 420080), (1096, 367570), (1180, 341404), (1246, 323320), (1370, 294056), (1424, 282905), (1652, 243860), (1780, 226324), (1918, 210040), (2065, 195088), (2192, 183785), (2360, 170702), (2492, 161660), (2740, 147028), (3115, 129328), (3304, 121930), (3560, 113162), (3836, 105020), (4130, 97544), (4720, 85351), (4795, 84016), (4984, 80830), (5251, 76720), (5480, 73514), (6230, 64664), (6608, 60965), (7120, 56581), (7672, 52510), (8083, 49840), (8260, 48772), (9590, 42008), (9968, 40415), (10502, 38360), (10960, 36757), (12193, 33040), (12460, 32332), (15344, 26255), (16166, 24920), (16520, 24386), (19180, 21004)]