68994580

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 148599360

約数和(自身を除く): 79604780

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 166, 178, 332, 356, 415, 445, 467, 830, 890, 934, 1660, 1780, 1868, 2335, 4670, 7387, 9340, 14774, 29548, 36935, 38761, 41563, 73870, 77522, 83126, 147740, 155044, 166252, 193805, 207815, 387610, 415630, 775220, 831260, 3449729, 6899458, 13798916, 17248645, 34497290, 68994580]

約数ペア:

[(1, 68994580), (2, 34497290), (4, 17248645), (5, 13798916), (10, 6899458), (20, 3449729), (83, 831260), (89, 775220), (166, 415630), (178, 387610), (332, 207815), (356, 193805), (415, 166252), (445, 155044), (467, 147740), (830, 83126), (890, 77522), (934, 73870), (1660, 41563), (1780, 38761), (1868, 36935), (2335, 29548), (4670, 14774), (7387, 9340)]