42686840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:805

約数の個数: 96

約数和(自身を含む): 115732800

約数和(自身を除く): 73045960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 490, 580, 751, 812, 980, 1015, 1160, 1421, 1502, 1624, 1960, 2030, 2842, 3004, 3755, 4060, 5257, 5684, 6008, 7105, 7510, 8120, 10514, 11368, 14210, 15020, 21028, 21779, 26285, 28420, 30040, 36799, 42056, 43558, 52570, 56840, 73598, 87116, 105140, 108895, 147196, 152453, 174232, 183995, 210280, 217790, 294392, 304906, 367990, 435580, 609812, 735980, 762265, 871160, 1067171, 1219624, 1471960, 1524530, 2134342, 3049060, 4268684, 5335855, 6098120, 8537368, 10671710, 21343420, 42686840]

約数ペア:

[(1, 42686840), (2, 21343420), (4, 10671710), (5, 8537368), (7, 6098120), (8, 5335855), (10, 4268684), (14, 3049060), (20, 2134342), (28, 1524530), (29, 1471960), (35, 1219624), (40, 1067171), (49, 871160), (56, 762265), (58, 735980), (70, 609812), (98, 435580), (116, 367990), (140, 304906), (145, 294392), (196, 217790), (203, 210280), (232, 183995), (245, 174232), (280, 152453), (290, 147196), (392, 108895), (406, 105140), (490, 87116), (580, 73598), (751, 56840), (812, 52570), (980, 43558), (1015, 42056), (1160, 36799), (1421, 30040), (1502, 28420), (1624, 26285), (1960, 21779), (2030, 21028), (2842, 15020), (3004, 14210), (3755, 11368), (4060, 10514), (5257, 8120), (5684, 7510), (6008, 7105)]