207845260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2383}}^1$

素因数の和:2495

約数の個数: 72

約数和(自身を含む): 513656640

約数和(自身を除く): 305811380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 890, 980, 1246, 1780, 2383, 2492, 3115, 4361, 4766, 6230, 8722, 9532, 11915, 12460, 16681, 17444, 21805, 23830, 33362, 43610, 47660, 66724, 83405, 87220, 116767, 166810, 212087, 233534, 333620, 424174, 467068, 583835, 848348, 1060435, 1167670, 1484609, 2120870, 2335340, 2969218, 4241740, 5938436, 7423045, 10392263, 14846090, 20784526, 29692180, 41569052, 51961315, 103922630, 207845260]

約数ペア:

[(1, 207845260), (2, 103922630), (4, 51961315), (5, 41569052), (7, 29692180), (10, 20784526), (14, 14846090), (20, 10392263), (28, 7423045), (35, 5938436), (49, 4241740), (70, 2969218), (89, 2335340), (98, 2120870), (140, 1484609), (178, 1167670), (196, 1060435), (245, 848348), (356, 583835), (445, 467068), (490, 424174), (623, 333620), (890, 233534), (980, 212087), (1246, 166810), (1780, 116767), (2383, 87220), (2492, 83405), (3115, 66724), (4361, 47660), (4766, 43610), (6230, 33362), (8722, 23830), (9532, 21805), (11915, 17444), (12460, 16681)]