31309040

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{163}}^1$

素因数の和:204

約数の個数: 100

約数和(自身を含む): 85441704

約数和(自身を除く): 54132664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 163, 196, 245, 280, 326, 343, 392, 490, 560, 652, 686, 784, 815, 980, 1141, 1304, 1372, 1630, 1715, 1960, 2282, 2401, 2608, 2744, 3260, 3430, 3920, 4564, 4802, 5488, 5705, 6520, 6860, 7987, 9128, 9604, 11410, 12005, 13040, 13720, 15974, 18256, 19208, 22820, 24010, 27440, 31948, 38416, 39935, 45640, 48020, 55909, 63896, 79870, 91280, 96040, 111818, 127792, 159740, 192080, 223636, 279545, 319480, 391363, 447272, 559090, 638960, 782726, 894544, 1118180, 1565452, 1956815, 2236360, 3130904, 3913630, 4472720, 6261808, 7827260, 15654520, 31309040]

約数ペア:

[(1, 31309040), (2, 15654520), (4, 7827260), (5, 6261808), (7, 4472720), (8, 3913630), (10, 3130904), (14, 2236360), (16, 1956815), (20, 1565452), (28, 1118180), (35, 894544), (40, 782726), (49, 638960), (56, 559090), (70, 447272), (80, 391363), (98, 319480), (112, 279545), (140, 223636), (163, 192080), (196, 159740), (245, 127792), (280, 111818), (326, 96040), (343, 91280), (392, 79870), (490, 63896), (560, 55909), (652, 48020), (686, 45640), (784, 39935), (815, 38416), (980, 31948), (1141, 27440), (1304, 24010), (1372, 22820), (1630, 19208), (1715, 18256), (1960, 15974), (2282, 13720), (2401, 13040), (2608, 12005), (2744, 11410), (3260, 9604), (3430, 9128), (3920, 7987), (4564, 6860), (4802, 6520), (5488, 5705)]