7874360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 20109600

約数和(自身を除く): 12235240

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 797, 988, 1235, 1594, 1976, 2470, 3188, 3985, 4940, 6376, 7970, 9880, 10361, 15143, 15940, 20722, 30286, 31880, 41444, 51805, 60572, 75715, 82888, 103610, 121144, 151430, 196859, 207220, 302860, 393718, 414440, 605720, 787436, 984295, 1574872, 1968590, 3937180, 7874360]

約数ペア:

[(1, 7874360), (2, 3937180), (4, 1968590), (5, 1574872), (8, 984295), (10, 787436), (13, 605720), (19, 414440), (20, 393718), (26, 302860), (38, 207220), (40, 196859), (52, 151430), (65, 121144), (76, 103610), (95, 82888), (104, 75715), (130, 60572), (152, 51805), (190, 41444), (247, 31880), (260, 30286), (380, 20722), (494, 15940), (520, 15143), (760, 10361), (797, 9880), (988, 7970), (1235, 6376), (1594, 4940), (1976, 3985), (2470, 3188)]