27769640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{599}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 66960000

約数和(自身を除く): 39190360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 599, 610, 760, 1159, 1198, 1220, 2318, 2396, 2440, 2995, 4636, 4792, 5795, 5990, 9272, 11381, 11590, 11980, 22762, 23180, 23960, 36539, 45524, 46360, 56905, 73078, 91048, 113810, 146156, 182695, 227620, 292312, 365390, 455240, 694241, 730780, 1388482, 1461560, 2776964, 3471205, 5553928, 6942410, 13884820, 27769640]

約数ペア:

[(1, 27769640), (2, 13884820), (4, 6942410), (5, 5553928), (8, 3471205), (10, 2776964), (19, 1461560), (20, 1388482), (38, 730780), (40, 694241), (61, 455240), (76, 365390), (95, 292312), (122, 227620), (152, 182695), (190, 146156), (244, 113810), (305, 91048), (380, 73078), (488, 56905), (599, 46360), (610, 45524), (760, 36539), (1159, 23960), (1198, 23180), (1220, 22762), (2318, 11980), (2396, 11590), (2440, 11381), (2995, 9272), (4636, 5990), (4792, 5795)]