213980620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 533957760

約数和(自身を除く): 319977140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 101, 140, 148, 185, 202, 259, 370, 404, 409, 505, 518, 707, 740, 818, 1010, 1036, 1295, 1414, 1636, 2020, 2045, 2590, 2828, 2863, 3535, 3737, 4090, 5180, 5726, 7070, 7474, 8180, 11452, 14140, 14315, 14948, 15133, 18685, 26159, 28630, 30266, 37370, 41309, 52318, 57260, 60532, 74740, 75665, 82618, 104636, 105931, 130795, 151330, 165236, 206545, 211862, 261590, 289163, 302660, 413090, 423724, 523180, 529655, 578326, 826180, 1059310, 1156652, 1445815, 1528433, 2118620, 2891630, 3056866, 5783260, 6113732, 7642165, 10699031, 15284330, 21398062, 30568660, 42796124, 53495155, 106990310, 213980620]

約数ペア:

[(1, 213980620), (2, 106990310), (4, 53495155), (5, 42796124), (7, 30568660), (10, 21398062), (14, 15284330), (20, 10699031), (28, 7642165), (35, 6113732), (37, 5783260), (70, 3056866), (74, 2891630), (101, 2118620), (140, 1528433), (148, 1445815), (185, 1156652), (202, 1059310), (259, 826180), (370, 578326), (404, 529655), (409, 523180), (505, 423724), (518, 413090), (707, 302660), (740, 289163), (818, 261590), (1010, 211862), (1036, 206545), (1295, 165236), (1414, 151330), (1636, 130795), (2020, 105931), (2045, 104636), (2590, 82618), (2828, 75665), (2863, 74740), (3535, 60532), (3737, 57260), (4090, 52318), (5180, 41309), (5726, 37370), (7070, 30266), (7474, 28630), (8180, 26159), (11452, 18685), (14140, 15133), (14315, 14948)]