397991851040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{809453}}^1$

素因数の和:809914

約数の個数: 96

約数和(自身を含む): 1077027114240

約数和(自身を除く): 679035263200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 439, 560, 878, 1120, 1756, 2195, 3073, 3512, 4390, 6146, 7024, 8780, 12292, 14048, 15365, 17560, 24584, 30730, 35120, 49168, 61460, 70240, 98336, 122920, 245840, 491680, 809453, 1618906, 3237812, 4047265, 5666171, 6475624, 8094530, 11332342, 12951248, 16189060, 22664684, 25902496, 28330855, 32378120, 45329368, 56661710, 64756240, 90658736, 113323420, 129512480, 181317472, 226646840, 355349867, 453293680, 710699734, 906587360, 1421399468, 1776749335, 2487449069, 2842798936, 3553498670, 4974898138, 5685597872, 7106997340, 9949796276, 11371195744, 12437245345, 14213994680, 19899592552, 24874490690, 28427989360, 39799185104, 49748981380, 56855978720, 79598370208, 99497962760, 198995925520, 397991851040]

約数ペア:

[(1, 397991851040), (2, 198995925520), (4, 99497962760), (5, 79598370208), (7, 56855978720), (8, 49748981380), (10, 39799185104), (14, 28427989360), (16, 24874490690), (20, 19899592552), (28, 14213994680), (32, 12437245345), (35, 11371195744), (40, 9949796276), (56, 7106997340), (70, 5685597872), (80, 4974898138), (112, 3553498670), (140, 2842798936), (160, 2487449069), (224, 1776749335), (280, 1421399468), (439, 906587360), (560, 710699734), (878, 453293680), (1120, 355349867), (1756, 226646840), (2195, 181317472), (3073, 129512480), (3512, 113323420), (4390, 90658736), (6146, 64756240), (7024, 56661710), (8780, 45329368), (12292, 32378120), (14048, 28330855), (15365, 25902496), (17560, 22664684), (24584, 16189060), (30730, 12951248), (35120, 11332342), (49168, 8094530), (61460, 6475624), (70240, 5666171), (98336, 4047265), (122920, 3237812), (245840, 1618906), (491680, 809453)]