217887540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2039}}^1$

素因数の和:2201

約数の個数: 96

約数和(自身を含む): 662135040

約数和(自身を除く): 444247500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 137, 156, 195, 260, 274, 390, 411, 548, 685, 780, 822, 1370, 1644, 1781, 2039, 2055, 2740, 3562, 4078, 4110, 5343, 6117, 7124, 8156, 8220, 8905, 10195, 10686, 12234, 17810, 20390, 21372, 24468, 26507, 26715, 30585, 35620, 40780, 53014, 53430, 61170, 79521, 106028, 106860, 122340, 132535, 159042, 265070, 279343, 318084, 397605, 530140, 558686, 795210, 838029, 1117372, 1396715, 1590420, 1676058, 2793430, 3352116, 3631459, 4190145, 5586860, 7262918, 8380290, 10894377, 14525836, 16760580, 18157295, 21788754, 36314590, 43577508, 54471885, 72629180, 108943770, 217887540]

約数ペア:

[(1, 217887540), (2, 108943770), (3, 72629180), (4, 54471885), (5, 43577508), (6, 36314590), (10, 21788754), (12, 18157295), (13, 16760580), (15, 14525836), (20, 10894377), (26, 8380290), (30, 7262918), (39, 5586860), (52, 4190145), (60, 3631459), (65, 3352116), (78, 2793430), (130, 1676058), (137, 1590420), (156, 1396715), (195, 1117372), (260, 838029), (274, 795210), (390, 558686), (411, 530140), (548, 397605), (685, 318084), (780, 279343), (822, 265070), (1370, 159042), (1644, 132535), (1781, 122340), (2039, 106860), (2055, 106028), (2740, 79521), (3562, 61170), (4078, 53430), (4110, 53014), (5343, 40780), (6117, 35620), (7124, 30585), (8156, 26715), (8220, 26507), (8905, 24468), (10195, 21372), (10686, 20390), (12234, 17810)]