681884420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{29881}}^1$

素因数の和:30060

約数の個数: 48

約数和(自身を含む): 1646617728

約数和(自身を除く): 964733308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 11410, 22820, 29881, 59762, 119524, 149405, 209167, 298810, 418334, 597620, 836668, 1045835, 2091670, 4183340, 4870603, 9741206, 19482412, 24353015, 34094221, 48706030, 68188442, 97412060, 136376884, 170471105, 340942210, 681884420]

約数ペア:

[(1, 681884420), (2, 340942210), (4, 170471105), (5, 136376884), (7, 97412060), (10, 68188442), (14, 48706030), (20, 34094221), (28, 24353015), (35, 19482412), (70, 9741206), (140, 4870603), (163, 4183340), (326, 2091670), (652, 1045835), (815, 836668), (1141, 597620), (1630, 418334), (2282, 298810), (3260, 209167), (4564, 149405), (5705, 119524), (11410, 59762), (22820, 29881)]