190416880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{76781}}^1$

素因数の和:76825

約数の個数: 40

約数和(自身を含む): 457006464

約数和(自身を除く): 266589584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 76781, 153562, 307124, 383905, 614248, 767810, 1228496, 1535620, 2380211, 3071240, 4760422, 6142480, 9520844, 11901055, 19041688, 23802110, 38083376, 47604220, 95208440, 190416880]

約数ペア:

[(1, 190416880), (2, 95208440), (4, 47604220), (5, 38083376), (8, 23802110), (10, 19041688), (16, 11901055), (20, 9520844), (31, 6142480), (40, 4760422), (62, 3071240), (80, 2380211), (124, 1535620), (155, 1228496), (248, 767810), (310, 614248), (496, 383905), (620, 307124), (1240, 153562), (2480, 76781)]