73982000

素因数分解:

$2^4\times 5^3\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:615

約数の個数: 80

約数和(自身を含む): 181756224

約数和(自身を除く): 107774224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 125, 142, 200, 250, 284, 355, 400, 500, 521, 568, 710, 1000, 1042, 1136, 1420, 1775, 2000, 2084, 2605, 2840, 3550, 4168, 5210, 5680, 7100, 8336, 8875, 10420, 13025, 14200, 17750, 20840, 26050, 28400, 35500, 36991, 41680, 52100, 65125, 71000, 73982, 104200, 130250, 142000, 147964, 184955, 208400, 260500, 295928, 369910, 521000, 591856, 739820, 924775, 1042000, 1479640, 1849550, 2959280, 3699100, 4623875, 7398200, 9247750, 14796400, 18495500, 36991000, 73982000]

約数ペア:

[(1, 73982000), (2, 36991000), (4, 18495500), (5, 14796400), (8, 9247750), (10, 7398200), (16, 4623875), (20, 3699100), (25, 2959280), (40, 1849550), (50, 1479640), (71, 1042000), (80, 924775), (100, 739820), (125, 591856), (142, 521000), (200, 369910), (250, 295928), (284, 260500), (355, 208400), (400, 184955), (500, 147964), (521, 142000), (568, 130250), (710, 104200), (1000, 73982), (1042, 71000), (1136, 65125), (1420, 52100), (1775, 41680), (2000, 36991), (2084, 35500), (2605, 28400), (2840, 26050), (3550, 20840), (4168, 17750), (5210, 14200), (5680, 13025), (7100, 10420), (8336, 8875)]