388601780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{17029}}^1$

素因数の和:17208

約数の個数: 48

約数和(自身を含む): 938421120

約数和(自身を除く): 549819340

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, 17029, 22820, 34058, 68116, 85145, 119203, 170290, 238406, 340580, 476812, 596015, 1192030, 2384060, 2775727, 5551454, 11102908, 13878635, 19430089, 27757270, 38860178, 55514540, 77720356, 97150445, 194300890, 388601780]

約数ペア:

[(1, 388601780), (2, 194300890), (4, 97150445), (5, 77720356), (7, 55514540), (10, 38860178), (14, 27757270), (20, 19430089), (28, 13878635), (35, 11102908), (70, 5551454), (140, 2775727), (163, 2384060), (326, 1192030), (652, 596015), (815, 476812), (1141, 340580), (1630, 238406), (2282, 170290), (3260, 119203), (4564, 85145), (5705, 68116), (11410, 34058), (17029, 22820)]