221635180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{23039}}^1$

素因数の和:23098

約数の個数: 48

約数和(自身を含む): 514805760

約数和(自身を除く): 293170580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 23039, 46078, 92156, 115195, 230390, 299507, 460780, 599014, 852443, 1198028, 1497535, 1704886, 2995070, 3409772, 4262215, 5990140, 8524430, 11081759, 17048860, 22163518, 44327036, 55408795, 110817590, 221635180]

約数ペア:

[(1, 221635180), (2, 110817590), (4, 55408795), (5, 44327036), (10, 22163518), (13, 17048860), (20, 11081759), (26, 8524430), (37, 5990140), (52, 4262215), (65, 3409772), (74, 2995070), (130, 1704886), (148, 1497535), (185, 1198028), (260, 852443), (370, 599014), (481, 460780), (740, 299507), (962, 230390), (1924, 115195), (2405, 92156), (4810, 46078), (9620, 23039)]