90487150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1907}}^1$

素因数の和:2005

約数の個数: 48

約数和(自身を含む): 183831984

約数和(自身を除く): 93344834

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 73, 130, 146, 325, 365, 650, 730, 949, 1825, 1898, 1907, 3650, 3814, 4745, 9490, 9535, 19070, 23725, 24791, 47450, 47675, 49582, 95350, 123955, 139211, 247910, 278422, 619775, 696055, 1239550, 1392110, 1809743, 3480275, 3619486, 6960550, 9048715, 18097430, 45243575, 90487150]

約数ペア:

[(1, 90487150), (2, 45243575), (5, 18097430), (10, 9048715), (13, 6960550), (25, 3619486), (26, 3480275), (50, 1809743), (65, 1392110), (73, 1239550), (130, 696055), (146, 619775), (325, 278422), (365, 247910), (650, 139211), (730, 123955), (949, 95350), (1825, 49582), (1898, 47675), (1907, 47450), (3650, 24791), (3814, 23725), (4745, 19070), (9490, 9535)]