221338140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{937}}^1$

素因数の和:1107

約数の個数: 96

約数和(自身を含む): 645464064

約数和(自身を除く): 424125924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 127, 155, 186, 254, 310, 372, 381, 465, 508, 620, 635, 762, 930, 937, 1270, 1524, 1860, 1874, 1905, 2540, 2811, 3748, 3810, 3937, 4685, 5622, 7620, 7874, 9370, 11244, 11811, 14055, 15748, 18740, 19685, 23622, 28110, 29047, 39370, 47244, 56220, 58094, 59055, 78740, 87141, 116188, 118110, 118999, 145235, 174282, 236220, 237998, 290470, 348564, 356997, 435705, 475996, 580940, 594995, 713994, 871410, 1189990, 1427988, 1742820, 1784985, 2379980, 3569970, 3688969, 7139940, 7377938, 11066907, 14755876, 18444845, 22133814, 36889690, 44267628, 55334535, 73779380, 110669070, 221338140]

約数ペア:

[(1, 221338140), (2, 110669070), (3, 73779380), (4, 55334535), (5, 44267628), (6, 36889690), (10, 22133814), (12, 18444845), (15, 14755876), (20, 11066907), (30, 7377938), (31, 7139940), (60, 3688969), (62, 3569970), (93, 2379980), (124, 1784985), (127, 1742820), (155, 1427988), (186, 1189990), (254, 871410), (310, 713994), (372, 594995), (381, 580940), (465, 475996), (508, 435705), (620, 356997), (635, 348564), (762, 290470), (930, 237998), (937, 236220), (1270, 174282), (1524, 145235), (1860, 118999), (1874, 118110), (1905, 116188), (2540, 87141), (2811, 78740), (3748, 59055), (3810, 58094), (3937, 56220), (4685, 47244), (5622, 39370), (7620, 29047), (7874, 28110), (9370, 23622), (11244, 19685), (11811, 18740), (14055, 15748)]