490659700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2383}}^1$

素因数の和:2497

約数の個数: 72

約数和(自身を含む): 1117428480

約数和(自身を除く): 626768780

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 71, 100, 116, 142, 145, 284, 290, 355, 580, 710, 725, 1420, 1450, 1775, 2059, 2383, 2900, 3550, 4118, 4766, 7100, 8236, 9532, 10295, 11915, 20590, 23830, 41180, 47660, 51475, 59575, 69107, 102950, 119150, 138214, 169193, 205900, 238300, 276428, 338386, 345535, 676772, 691070, 845965, 1382140, 1691930, 1727675, 3383860, 3455350, 4229825, 4906597, 6910700, 8459650, 9813194, 16919300, 19626388, 24532985, 49065970, 98131940, 122664925, 245329850, 490659700]

約数ペア:

[(1, 490659700), (2, 245329850), (4, 122664925), (5, 98131940), (10, 49065970), (20, 24532985), (25, 19626388), (29, 16919300), (50, 9813194), (58, 8459650), (71, 6910700), (100, 4906597), (116, 4229825), (142, 3455350), (145, 3383860), (284, 1727675), (290, 1691930), (355, 1382140), (580, 845965), (710, 691070), (725, 676772), (1420, 345535), (1450, 338386), (1775, 276428), (2059, 238300), (2383, 205900), (2900, 169193), (3550, 138214), (4118, 119150), (4766, 102950), (7100, 69107), (8236, 59575), (9532, 51475), (10295, 47660), (11915, 41180), (20590, 23830)]