2019978220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{7187}}^1$

素因数の和:7279

約数の個数: 96

約数和(自身を含む): 4868978688

約数和(自身を除く): 2849000468

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 47, 52, 65, 92, 94, 115, 130, 188, 230, 235, 260, 299, 460, 470, 598, 611, 940, 1081, 1196, 1222, 1495, 2162, 2444, 2990, 3055, 4324, 5405, 5980, 6110, 7187, 10810, 12220, 14053, 14374, 21620, 28106, 28748, 35935, 56212, 70265, 71870, 93431, 140530, 143740, 165301, 186862, 281060, 330602, 337789, 373724, 467155, 661204, 675578, 826505, 934310, 1351156, 1653010, 1688945, 1868620, 2148913, 3306020, 3377890, 4297826, 4391257, 6755780, 7769147, 8595652, 8782514, 10744565, 15538294, 17565028, 21489130, 21956285, 31076588, 38845735, 42978260, 43912570, 77691470, 87825140, 100998911, 155382940, 201997822, 403995644, 504994555, 1009989110, 2019978220]

約数ペア:

[(1, 2019978220), (2, 1009989110), (4, 504994555), (5, 403995644), (10, 201997822), (13, 155382940), (20, 100998911), (23, 87825140), (26, 77691470), (46, 43912570), (47, 42978260), (52, 38845735), (65, 31076588), (92, 21956285), (94, 21489130), (115, 17565028), (130, 15538294), (188, 10744565), (230, 8782514), (235, 8595652), (260, 7769147), (299, 6755780), (460, 4391257), (470, 4297826), (598, 3377890), (611, 3306020), (940, 2148913), (1081, 1868620), (1196, 1688945), (1222, 1653010), (1495, 1351156), (2162, 934310), (2444, 826505), (2990, 675578), (3055, 661204), (4324, 467155), (5405, 373724), (5980, 337789), (6110, 330602), (7187, 281060), (10810, 186862), (12220, 165301), (14053, 143740), (14374, 140530), (21620, 93431), (28106, 71870), (28748, 70265), (35935, 56212)]