2013235180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:787

約数の個数: 96

約数和(自身を含む): 4694760000

約数和(自身を除く): 2681524820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 229, 356, 445, 449, 458, 890, 898, 916, 979, 1145, 1780, 1796, 1958, 2245, 2290, 2519, 3916, 4490, 4580, 4895, 4939, 5038, 8980, 9790, 9878, 10076, 12595, 19580, 19756, 20381, 24695, 25190, 39961, 40762, 49390, 50380, 79922, 81524, 98780, 101905, 102821, 159844, 199805, 203810, 205642, 224191, 399610, 407620, 411284, 439571, 448382, 514105, 799220, 879142, 896764, 1028210, 1120955, 1131031, 1758284, 2056420, 2197855, 2241910, 2262062, 4395710, 4483820, 4524124, 5655155, 8791420, 9151069, 11310310, 18302138, 22620620, 36604276, 45755345, 91510690, 100661759, 183021380, 201323518, 402647036, 503308795, 1006617590, 2013235180]

約数ペア:

[(1, 2013235180), (2, 1006617590), (4, 503308795), (5, 402647036), (10, 201323518), (11, 183021380), (20, 100661759), (22, 91510690), (44, 45755345), (55, 36604276), (89, 22620620), (110, 18302138), (178, 11310310), (220, 9151069), (229, 8791420), (356, 5655155), (445, 4524124), (449, 4483820), (458, 4395710), (890, 2262062), (898, 2241910), (916, 2197855), (979, 2056420), (1145, 1758284), (1780, 1131031), (1796, 1120955), (1958, 1028210), (2245, 896764), (2290, 879142), (2519, 799220), (3916, 514105), (4490, 448382), (4580, 439571), (4895, 411284), (4939, 407620), (5038, 399610), (8980, 224191), (9790, 205642), (9878, 203810), (10076, 199805), (12595, 159844), (19580, 102821), (19756, 101905), (20381, 98780), (24695, 81524), (25190, 79922), (39961, 50380), (40762, 49390)]