7747220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 17781120

約数和(自身を除く): 10033900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 359, 415, 718, 830, 1079, 1436, 1660, 1795, 2158, 3590, 4316, 4667, 5395, 7180, 9334, 10790, 18668, 21580, 23335, 29797, 46670, 59594, 93340, 119188, 148985, 297970, 387361, 595940, 774722, 1549444, 1936805, 3873610, 7747220]

約数ペア:

[(1, 7747220), (2, 3873610), (4, 1936805), (5, 1549444), (10, 774722), (13, 595940), (20, 387361), (26, 297970), (52, 148985), (65, 119188), (83, 93340), (130, 59594), (166, 46670), (260, 29797), (332, 23335), (359, 21580), (415, 18668), (718, 10790), (830, 9334), (1079, 7180), (1436, 5395), (1660, 4667), (1795, 4316), (2158, 3590)]