390926970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{620519}}^1$

素因数の和:620539

約数の個数: 48

約数和(自身を含む): 1161613440

約数和(自身を除く): 770686470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 620519, 1241038, 1861557, 3102595, 3723114, 4343633, 5584671, 6205190, 8687266, 9307785, 11169342, 13030899, 18615570, 21718165, 26061798, 27923355, 39092697, 43436330, 55846710, 65154495, 78185394, 130308990, 195463485, 390926970]

約数ペア:

[(1, 390926970), (2, 195463485), (3, 130308990), (5, 78185394), (6, 65154495), (7, 55846710), (9, 43436330), (10, 39092697), (14, 27923355), (15, 26061798), (18, 21718165), (21, 18615570), (30, 13030899), (35, 11169342), (42, 9307785), (45, 8687266), (63, 6205190), (70, 5584671), (90, 4343633), (105, 3723114), (126, 3102595), (210, 1861557), (315, 1241038), (630, 620519)]