210839460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{270307}}^1$

素因数の和:270332

約数の個数: 48

約数和(自身を含む): 635764416

約数和(自身を除く): 424924956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 270307, 540614, 810921, 1081228, 1351535, 1621842, 2703070, 3243684, 3513991, 4054605, 5406140, 7027982, 8109210, 10541973, 14055964, 16218420, 17569955, 21083946, 35139910, 42167892, 52709865, 70279820, 105419730, 210839460]

約数ペア:

[(1, 210839460), (2, 105419730), (3, 70279820), (4, 52709865), (5, 42167892), (6, 35139910), (10, 21083946), (12, 17569955), (13, 16218420), (15, 14055964), (20, 10541973), (26, 8109210), (30, 7027982), (39, 5406140), (52, 4054605), (60, 3513991), (65, 3243684), (78, 2703070), (130, 1621842), (156, 1351535), (195, 1081228), (260, 810921), (390, 540614), (780, 270307)]