319169390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{81629}}^1$

素因数の和:81676

約数の個数: 32

約数和(自身を含む): 634754880

約数和(自身を除く): 315585490

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 81629, 163258, 408145, 816290, 1387693, 1877467, 2775386, 3754934, 6938465, 9387335, 13876930, 18774670, 31916939, 63833878, 159584695, 319169390]

約数ペア:

[(1, 319169390), (2, 159584695), (5, 63833878), (10, 31916939), (17, 18774670), (23, 13876930), (34, 9387335), (46, 6938465), (85, 3754934), (115, 2775386), (170, 1877467), (230, 1387693), (391, 816290), (782, 408145), (1955, 163258), (3910, 81629)]