72810340

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 157172400

約数和(自身を除く): 84362060

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 149, 212, 265, 298, 461, 530, 596, 745, 922, 1060, 1490, 1844, 2305, 2980, 4610, 7897, 9220, 15794, 24433, 31588, 39485, 48866, 68689, 78970, 97732, 122165, 137378, 157940, 244330, 274756, 343445, 488660, 686890, 1373780, 3640517, 7281034, 14562068, 18202585, 36405170, 72810340]

約数ペア:

[(1, 72810340), (2, 36405170), (4, 18202585), (5, 14562068), (10, 7281034), (20, 3640517), (53, 1373780), (106, 686890), (149, 488660), (212, 343445), (265, 274756), (298, 244330), (461, 157940), (530, 137378), (596, 122165), (745, 97732), (922, 78970), (1060, 68689), (1490, 48866), (1844, 39485), (2305, 31588), (2980, 24433), (4610, 15794), (7897, 9220)]