16661688820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{687931}}^1$

素因数の和:688120

約数の個数: 48

約数和(自身を含む): 40219256448

約数和(自身を除く): 23557567628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 3460, 4844, 6055, 12110, 24220, 687931, 1375862, 2751724, 3439655, 4815517, 6879310, 9631034, 13758620, 19262068, 24077585, 48155170, 96310340, 119012063, 238024126, 476048252, 595060315, 833084441, 1190120630, 1666168882, 2380241260, 3332337764, 4165422205, 8330844410, 16661688820]

約数ペア:

[(1, 16661688820), (2, 8330844410), (4, 4165422205), (5, 3332337764), (7, 2380241260), (10, 1666168882), (14, 1190120630), (20, 833084441), (28, 595060315), (35, 476048252), (70, 238024126), (140, 119012063), (173, 96310340), (346, 48155170), (692, 24077585), (865, 19262068), (1211, 13758620), (1730, 9631034), (2422, 6879310), (3460, 4815517), (4844, 3439655), (6055, 2751724), (12110, 1375862), (24220, 687931)]