9998380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4201}}^1$

素因数の和:4234

約数の個数: 48

約数和(自身を含む): 25413696

約数和(自身を除く): 15415316

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 4201, 8402, 16804, 21005, 29407, 42010, 58814, 71417, 84020, 117628, 142834, 147035, 285668, 294070, 357085, 499919, 588140, 714170, 999838, 1428340, 1999676, 2499595, 4999190, 9998380]

約数ペア:

[(1, 9998380), (2, 4999190), (4, 2499595), (5, 1999676), (7, 1428340), (10, 999838), (14, 714170), (17, 588140), (20, 499919), (28, 357085), (34, 294070), (35, 285668), (68, 147035), (70, 142834), (85, 117628), (119, 84020), (140, 71417), (170, 58814), (238, 42010), (340, 29407), (476, 21005), (595, 16804), (1190, 8402), (2380, 4201)]