277557320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5987}}^1$

素因数の和:6078

約数の個数: 64

約数和(自身を含む): 668260800

約数和(自身を除く): 390703480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1220, 2318, 2440, 4636, 5795, 5987, 9272, 11590, 11974, 23180, 23948, 29935, 46360, 47896, 59870, 113753, 119740, 227506, 239480, 365207, 455012, 568765, 730414, 910024, 1137530, 1460828, 1826035, 2275060, 2921656, 3652070, 4550120, 6938933, 7304140, 13877866, 14608280, 27755732, 34694665, 55511464, 69389330, 138778660, 277557320]

約数ペア:

[(1, 277557320), (2, 138778660), (4, 69389330), (5, 55511464), (8, 34694665), (10, 27755732), (19, 14608280), (20, 13877866), (38, 7304140), (40, 6938933), (61, 4550120), (76, 3652070), (95, 2921656), (122, 2275060), (152, 1826035), (190, 1460828), (244, 1137530), (305, 910024), (380, 730414), (488, 568765), (610, 455012), (760, 365207), (1159, 239480), (1220, 227506), (2318, 119740), (2440, 113753), (4636, 59870), (5795, 47896), (5987, 46360), (9272, 29935), (11590, 23948), (11974, 23180)]