290431518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 643507200

約数和(自身を除く): 353075682

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 227, 282, 349, 454, 611, 681, 698, 1047, 1222, 1362, 1833, 2094, 2951, 3666, 4537, 5902, 8853, 9074, 10669, 13611, 16403, 17706, 21338, 27222, 32007, 32806, 49209, 64014, 79223, 98418, 138697, 158446, 213239, 237669, 277394, 416091, 426478, 475338, 639717, 832182, 1029899, 1279434, 2059798, 3089697, 3723481, 6179394, 7446962, 11170443, 22340886, 48405253, 96810506, 145215759, 290431518]

約数ペア:

[(1, 290431518), (2, 145215759), (3, 96810506), (6, 48405253), (13, 22340886), (26, 11170443), (39, 7446962), (47, 6179394), (78, 3723481), (94, 3089697), (141, 2059798), (227, 1279434), (282, 1029899), (349, 832182), (454, 639717), (611, 475338), (681, 426478), (698, 416091), (1047, 277394), (1222, 237669), (1362, 213239), (1833, 158446), (2094, 138697), (2951, 98418), (3666, 79223), (4537, 64014), (5902, 49209), (8853, 32806), (9074, 32007), (10669, 27222), (13611, 21338), (16403, 17706)]