1908605220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{15913}}^1$

素因数の和:17924

約数の個数: 48

約数和(自身を含む): 5347104000

約数和(自身を除く): 3438498780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1999, 3998, 5997, 7996, 9995, 11994, 15913, 19990, 23988, 29985, 31826, 39980, 47739, 59970, 63652, 79565, 95478, 119940, 159130, 190956, 238695, 318260, 477390, 954780, 31810087, 63620174, 95430261, 127240348, 159050435, 190860522, 318100870, 381721044, 477151305, 636201740, 954302610, 1908605220]

約数ペア:

[(1, 1908605220), (2, 954302610), (3, 636201740), (4, 477151305), (5, 381721044), (6, 318100870), (10, 190860522), (12, 159050435), (15, 127240348), (20, 95430261), (30, 63620174), (60, 31810087), (1999, 954780), (3998, 477390), (5997, 318260), (7996, 238695), (9995, 190956), (11994, 159130), (15913, 119940), (19990, 95478), (23988, 79565), (29985, 63652), (31826, 59970), (39980, 47739)]