211345860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:754

約数の個数: 144

約数和(自身を含む): 666566208

約数和(自身を除く): 455220348

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 121, 129, 132, 165, 172, 215, 220, 242, 258, 330, 363, 430, 473, 484, 516, 605, 645, 660, 677, 726, 860, 946, 1210, 1290, 1354, 1419, 1452, 1815, 1892, 2031, 2365, 2420, 2580, 2708, 2838, 3385, 3630, 4062, 4730, 5203, 5676, 6770, 7095, 7260, 7447, 8124, 9460, 10155, 10406, 13540, 14190, 14894, 15609, 20310, 20812, 22341, 26015, 28380, 29111, 29788, 31218, 37235, 40620, 44682, 52030, 58222, 62436, 74470, 78045, 81917, 87333, 89364, 104060, 111705, 116444, 145555, 148940, 156090, 163834, 174666, 223410, 245751, 291110, 312180, 320221, 327668, 349332, 409585, 436665, 446820, 491502, 582220, 640442, 819170, 873330, 960663, 983004, 1228755, 1280884, 1601105, 1638340, 1746660, 1921326, 2457510, 3202210, 3522431, 3842652, 4803315, 4915020, 6404420, 7044862, 9606630, 10567293, 14089724, 17612155, 19213260, 21134586, 35224310, 42269172, 52836465, 70448620, 105672930, 211345860]

約数ペア:

[(1, 211345860), (2, 105672930), (3, 70448620), (4, 52836465), (5, 42269172), (6, 35224310), (10, 21134586), (11, 19213260), (12, 17612155), (15, 14089724), (20, 10567293), (22, 9606630), (30, 7044862), (33, 6404420), (43, 4915020), (44, 4803315), (55, 3842652), (60, 3522431), (66, 3202210), (86, 2457510), (110, 1921326), (121, 1746660), (129, 1638340), (132, 1601105), (165, 1280884), (172, 1228755), (215, 983004), (220, 960663), (242, 873330), (258, 819170), (330, 640442), (363, 582220), (430, 491502), (473, 446820), (484, 436665), (516, 409585), (605, 349332), (645, 327668), (660, 320221), (677, 312180), (726, 291110), (860, 245751), (946, 223410), (1210, 174666), (1290, 163834), (1354, 156090), (1419, 148940), (1452, 145555), (1815, 116444), (1892, 111705), (2031, 104060), (2365, 89364), (2420, 87333), (2580, 81917), (2708, 78045), (2838, 74470), (3385, 62436), (3630, 58222), (4062, 52030), (4730, 44682), (5203, 40620), (5676, 37235), (6770, 31218), (7095, 29788), (7260, 29111), (7447, 28380), (8124, 26015), (9460, 22341), (10155, 20812), (10406, 20310), (13540, 15609), (14190, 14894)]