201443320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20389}}^1$

素因数の和:20432

約数の個数: 64

約数和(自身を含む): 513828000

約数和(自身を除く): 312384680

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, 988, 1235, 1976, 2470, 4940, 9880, 20389, 40778, 81556, 101945, 163112, 203890, 265057, 387391, 407780, 530114, 774782, 815560, 1060228, 1325285, 1549564, 1936955, 2120456, 2650570, 3099128, 3873910, 5036083, 5301140, 7747820, 10072166, 10602280, 15495640, 20144332, 25180415, 40288664, 50360830, 100721660, 201443320]

約数ペア:

[(1, 201443320), (2, 100721660), (4, 50360830), (5, 40288664), (8, 25180415), (10, 20144332), (13, 15495640), (19, 10602280), (20, 10072166), (26, 7747820), (38, 5301140), (40, 5036083), (52, 3873910), (65, 3099128), (76, 2650570), (95, 2120456), (104, 1936955), (130, 1549564), (152, 1325285), (190, 1060228), (247, 815560), (260, 774782), (380, 530114), (494, 407780), (520, 387391), (760, 265057), (988, 203890), (1235, 163112), (1976, 101945), (2470, 81556), (4940, 40778), (9880, 20389)]