4240990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 9253440

約数和(自身を除く): 5012450

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 101, 130, 170, 190, 202, 221, 247, 323, 442, 494, 505, 646, 1010, 1105, 1235, 1313, 1615, 1717, 1919, 2210, 2470, 2626, 3230, 3434, 3838, 4199, 6565, 8398, 8585, 9595, 13130, 17170, 19190, 20995, 22321, 24947, 32623, 41990, 44642, 49894, 65246, 111605, 124735, 163115, 223210, 249470, 326230, 424099, 848198, 2120495, 4240990]

約数ペア:

[(1, 4240990), (2, 2120495), (5, 848198), (10, 424099), (13, 326230), (17, 249470), (19, 223210), (26, 163115), (34, 124735), (38, 111605), (65, 65246), (85, 49894), (95, 44642), (101, 41990), (130, 32623), (170, 24947), (190, 22321), (202, 20995), (221, 19190), (247, 17170), (323, 13130), (442, 9595), (494, 8585), (505, 8398), (646, 6565), (1010, 4199), (1105, 3838), (1235, 3434), (1313, 3230), (1615, 2626), (1717, 2470), (1919, 2210)]