145944830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{20939}}^1$

素因数の和:21004

約数の個数: 32

約数和(自身を含む): 284951520

約数和(自身を除く): 139006690

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 20939, 41878, 104695, 209390, 355963, 711926, 858499, 1716998, 1779815, 3559630, 4292495, 8584990, 14594483, 29188966, 72972415, 145944830]

約数ペア:

[(1, 145944830), (2, 72972415), (5, 29188966), (10, 14594483), (17, 8584990), (34, 4292495), (41, 3559630), (82, 1779815), (85, 1716998), (170, 858499), (205, 711926), (410, 355963), (697, 209390), (1394, 104695), (3485, 41878), (6970, 20939)]