42407540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 104809320

約数和(自身を除く): 62401780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 397, 436, 490, 545, 763, 794, 980, 1090, 1526, 1588, 1985, 2180, 2779, 3052, 3815, 3970, 5341, 5558, 7630, 7940, 10682, 11116, 13895, 15260, 19453, 21364, 26705, 27790, 38906, 43273, 53410, 55580, 77812, 86546, 97265, 106820, 173092, 194530, 216365, 302911, 389060, 432730, 605822, 865460, 1211644, 1514555, 2120377, 3029110, 4240754, 6058220, 8481508, 10601885, 21203770, 42407540]

約数ペア:

[(1, 42407540), (2, 21203770), (4, 10601885), (5, 8481508), (7, 6058220), (10, 4240754), (14, 3029110), (20, 2120377), (28, 1514555), (35, 1211644), (49, 865460), (70, 605822), (98, 432730), (109, 389060), (140, 302911), (196, 216365), (218, 194530), (245, 173092), (397, 106820), (436, 97265), (490, 86546), (545, 77812), (763, 55580), (794, 53410), (980, 43273), (1090, 38906), (1526, 27790), (1588, 26705), (1985, 21364), (2180, 19453), (2779, 15260), (3052, 13895), (3815, 11116), (3970, 10682), (5341, 7940), (5558, 7630)]