121211191990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8923}}^1\times {\mathrm{4513}}^1$

素因数の和:13493

約数の個数: 64

約数和(自身を含む): 255232682496

約数和(自身を除く): 134021490506

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 4513, 8923, 9026, 17846, 22565, 31591, 44615, 45130, 62461, 63182, 89230, 124922, 157955, 194059, 312305, 315910, 383689, 388118, 624610, 767378, 970295, 1358413, 1918445, 1940590, 2685823, 2716826, 3836890, 5371646, 6792065, 13429115, 13584130, 26858230, 40269499, 80538998, 201347495, 281886493, 402694990, 563772986, 1409432465, 1731588457, 2818864930, 3463176914, 8657942285, 12121119199, 17315884570, 24242238398, 60605595995, 121211191990]

約数ペア:

[(1, 121211191990), (2, 60605595995), (5, 24242238398), (7, 17315884570), (10, 12121119199), (14, 8657942285), (35, 3463176914), (43, 2818864930), (70, 1731588457), (86, 1409432465), (215, 563772986), (301, 402694990), (430, 281886493), (602, 201347495), (1505, 80538998), (3010, 40269499), (4513, 26858230), (8923, 13584130), (9026, 13429115), (17846, 6792065), (22565, 5371646), (31591, 3836890), (44615, 2716826), (45130, 2685823), (62461, 1940590), (63182, 1918445), (89230, 1358413), (124922, 970295), (157955, 767378), (194059, 624610), (312305, 388118), (315910, 383689)]