212682540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{72341}}^1$

素因数の和:72367

約数の個数: 72

約数和(自身を含む): 692746992

約数和(自身を除く): 480064452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 72341, 144682, 217023, 289364, 361705, 434046, 506387, 723410, 868092, 1012774, 1085115, 1446820, 1519161, 2025548, 2170230, 2531935, 3038322, 3544709, 4340460, 5063870, 6076644, 7089418, 7595805, 10127740, 10634127, 14178836, 15191610, 17723545, 21268254, 30383220, 35447090, 42536508, 53170635, 70894180, 106341270, 212682540]

約数ペア:

[(1, 212682540), (2, 106341270), (3, 70894180), (4, 53170635), (5, 42536508), (6, 35447090), (7, 30383220), (10, 21268254), (12, 17723545), (14, 15191610), (15, 14178836), (20, 10634127), (21, 10127740), (28, 7595805), (30, 7089418), (35, 6076644), (42, 5063870), (49, 4340460), (60, 3544709), (70, 3038322), (84, 2531935), (98, 2170230), (105, 2025548), (140, 1519161), (147, 1446820), (196, 1085115), (210, 1012774), (245, 868092), (294, 723410), (420, 506387), (490, 434046), (588, 361705), (735, 289364), (980, 217023), (1470, 144682), (2940, 72341)]