678402920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{11969}}^1$

素因数の和:12102

約数の個数: 64

約数和(自身を含む): 1659042000

約数和(自身を除く): 980639080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 520, 545, 872, 1090, 1417, 2180, 2834, 4360, 5668, 7085, 11336, 11969, 14170, 23938, 28340, 47876, 56680, 59845, 95752, 119690, 155597, 239380, 311194, 478760, 622388, 777985, 1244776, 1304621, 1555970, 2609242, 3111940, 5218484, 6223880, 6523105, 10436968, 13046210, 16960073, 26092420, 33920146, 52184840, 67840292, 84800365, 135680584, 169600730, 339201460, 678402920]

約数ペア:

[(1, 678402920), (2, 339201460), (4, 169600730), (5, 135680584), (8, 84800365), (10, 67840292), (13, 52184840), (20, 33920146), (26, 26092420), (40, 16960073), (52, 13046210), (65, 10436968), (104, 6523105), (109, 6223880), (130, 5218484), (218, 3111940), (260, 2609242), (436, 1555970), (520, 1304621), (545, 1244776), (872, 777985), (1090, 622388), (1417, 478760), (2180, 311194), (2834, 239380), (4360, 155597), (5668, 119690), (7085, 95752), (11336, 59845), (11969, 56680), (14170, 47876), (23938, 28340)]