64491478130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1\times {\mathrm{140269}}^1$

素因数の和:142298

約数の個数: 32

約数和(自身を含む): 121193280000

約数和(自身を除く): 56701801870

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1999, 3998, 9995, 19990, 45977, 91954, 140269, 229885, 280538, 459770, 701345, 1402690, 3226187, 6452374, 16130935, 32261870, 280397731, 560795462, 1401988655, 2803977310, 6449147813, 12898295626, 32245739065, 64491478130]

約数ペア:

[(1, 64491478130), (2, 32245739065), (5, 12898295626), (10, 6449147813), (23, 2803977310), (46, 1401988655), (115, 560795462), (230, 280397731), (1999, 32261870), (3998, 16130935), (9995, 6452374), (19990, 3226187), (45977, 1402690), (91954, 701345), (140269, 459770), (229885, 280538)]