2013438100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^2\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:430

約数の個数: 108

約数和(自身を含む): 4592870100

約数和(自身を除く): 2579432000

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 89, 100, 116, 145, 178, 269, 290, 356, 445, 538, 580, 725, 841, 890, 1076, 1345, 1450, 1682, 1780, 2225, 2581, 2690, 2900, 3364, 4205, 4450, 5162, 5380, 6725, 7801, 8410, 8900, 10324, 12905, 13450, 15602, 16820, 21025, 23941, 25810, 26900, 31204, 39005, 42050, 47882, 51620, 64525, 74849, 78010, 84100, 95764, 119705, 129050, 149698, 156020, 195025, 226229, 239410, 258100, 299396, 374245, 390050, 452458, 478820, 598525, 694289, 748490, 780100, 904916, 1131145, 1197050, 1388578, 1496980, 1871225, 2262290, 2394100, 2777156, 3471445, 3742450, 4524580, 5655725, 6942890, 7484900, 11311450, 13885780, 17357225, 20134381, 22622900, 34714450, 40268762, 69428900, 80537524, 100671905, 201343810, 402687620, 503359525, 1006719050, 2013438100]

約数ペア:

[(1, 2013438100), (2, 1006719050), (4, 503359525), (5, 402687620), (10, 201343810), (20, 100671905), (25, 80537524), (29, 69428900), (50, 40268762), (58, 34714450), (89, 22622900), (100, 20134381), (116, 17357225), (145, 13885780), (178, 11311450), (269, 7484900), (290, 6942890), (356, 5655725), (445, 4524580), (538, 3742450), (580, 3471445), (725, 2777156), (841, 2394100), (890, 2262290), (1076, 1871225), (1345, 1496980), (1450, 1388578), (1682, 1197050), (1780, 1131145), (2225, 904916), (2581, 780100), (2690, 748490), (2900, 694289), (3364, 598525), (4205, 478820), (4450, 452458), (5162, 390050), (5380, 374245), (6725, 299396), (7801, 258100), (8410, 239410), (8900, 226229), (10324, 195025), (12905, 156020), (13450, 149698), (15602, 129050), (16820, 119705), (21025, 95764), (23941, 84100), (25810, 78010), (26900, 74849), (31204, 64525), (39005, 51620), (42050, 47882)]