206773980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{492319}}^1$

素因数の和:492338

約数の個数: 48

約数和(自身を含む): 661678080

約数和(自身を除く): 454904100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 492319, 984638, 1476957, 1969276, 2461595, 2953914, 3446233, 4923190, 5907828, 6892466, 7384785, 9846380, 10338699, 13784932, 14769570, 17231165, 20677398, 29539140, 34462330, 41354796, 51693495, 68924660, 103386990, 206773980]

約数ペア:

[(1, 206773980), (2, 103386990), (3, 68924660), (4, 51693495), (5, 41354796), (6, 34462330), (7, 29539140), (10, 20677398), (12, 17231165), (14, 14769570), (15, 13784932), (20, 10338699), (21, 9846380), (28, 7384785), (30, 6892466), (35, 5907828), (42, 4923190), (60, 3446233), (70, 2953914), (84, 2461595), (105, 1969276), (140, 1476957), (210, 984638), (420, 492319)]