1879640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{137}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 4968000

約数和(自身を除く): 3088360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 137, 140, 196, 245, 274, 280, 343, 392, 490, 548, 685, 686, 959, 980, 1096, 1370, 1372, 1715, 1918, 1960, 2740, 2744, 3430, 3836, 4795, 5480, 6713, 6860, 7672, 9590, 13426, 13720, 19180, 26852, 33565, 38360, 46991, 53704, 67130, 93982, 134260, 187964, 234955, 268520, 375928, 469910, 939820, 1879640]

約数ペア:

[(1, 1879640), (2, 939820), (4, 469910), (5, 375928), (7, 268520), (8, 234955), (10, 187964), (14, 134260), (20, 93982), (28, 67130), (35, 53704), (40, 46991), (49, 38360), (56, 33565), (70, 26852), (98, 19180), (137, 13720), (140, 13426), (196, 9590), (245, 7672), (274, 6860), (280, 6713), (343, 5480), (392, 4795), (490, 3836), (548, 3430), (685, 2744), (686, 2740), (959, 1960), (980, 1918), (1096, 1715), (1370, 1372)]