257949330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{7549}}^1$

素因数の和:7643

約数の個数: 64

約数和(自身を含む): 665366400

約数和(自身を除く): 407417070

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 67, 85, 102, 134, 170, 201, 255, 335, 402, 510, 670, 1005, 1139, 2010, 2278, 3417, 5695, 6834, 7549, 11390, 15098, 17085, 22647, 34170, 37745, 45294, 75490, 113235, 128333, 226470, 256666, 384999, 505783, 641665, 769998, 1011566, 1283330, 1517349, 1924995, 2528915, 3034698, 3849990, 5057830, 7586745, 8598311, 15173490, 17196622, 25794933, 42991555, 51589866, 85983110, 128974665, 257949330]

約数ペア:

[(1, 257949330), (2, 128974665), (3, 85983110), (5, 51589866), (6, 42991555), (10, 25794933), (15, 17196622), (17, 15173490), (30, 8598311), (34, 7586745), (51, 5057830), (67, 3849990), (85, 3034698), (102, 2528915), (134, 1924995), (170, 1517349), (201, 1283330), (255, 1011566), (335, 769998), (402, 641665), (510, 505783), (670, 384999), (1005, 256666), (1139, 226470), (2010, 128333), (2278, 113235), (3417, 75490), (5695, 45294), (6834, 37745), (7549, 34170), (11390, 22647), (15098, 17085)]