238357840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{983}}^1$

素因数の和:1436

約数の個数: 80

約数和(自身を含む): 635459328

約数和(自身を除く): 397101488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 433, 560, 866, 983, 1732, 1966, 2165, 3031, 3464, 3932, 4330, 4915, 6062, 6881, 6928, 7864, 8660, 9830, 12124, 13762, 15155, 15728, 17320, 19660, 24248, 27524, 30310, 34405, 34640, 39320, 48496, 55048, 60620, 68810, 78640, 110096, 121240, 137620, 242480, 275240, 425639, 550480, 851278, 1702556, 2128195, 2979473, 3405112, 4256390, 5958946, 6810224, 8512780, 11917892, 14897365, 17025560, 23835784, 29794730, 34051120, 47671568, 59589460, 119178920, 238357840]

約数ペア:

[(1, 238357840), (2, 119178920), (4, 59589460), (5, 47671568), (7, 34051120), (8, 29794730), (10, 23835784), (14, 17025560), (16, 14897365), (20, 11917892), (28, 8512780), (35, 6810224), (40, 5958946), (56, 4256390), (70, 3405112), (80, 2979473), (112, 2128195), (140, 1702556), (280, 851278), (433, 550480), (560, 425639), (866, 275240), (983, 242480), (1732, 137620), (1966, 121240), (2165, 110096), (3031, 78640), (3464, 68810), (3932, 60620), (4330, 55048), (4915, 48496), (6062, 39320), (6881, 34640), (6928, 34405), (7864, 30310), (8660, 27524), (9830, 24248), (12124, 19660), (13762, 17320), (15155, 15728)]