396965240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19421}}^1$

素因数の和:19512

約数の個数: 64

約数和(自身を含む): 1034804160

約数和(自身を除く): 637838920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 19421, 20440, 38842, 77684, 97105, 135947, 155368, 194210, 271894, 388420, 543788, 679735, 776840, 1087576, 1359470, 1417733, 2718940, 2835466, 5437880, 5670932, 7088665, 9924131, 11341864, 14177330, 19848262, 28354660, 39696524, 49620655, 56709320, 79393048, 99241310, 198482620, 396965240]

約数ペア:

[(1, 396965240), (2, 198482620), (4, 99241310), (5, 79393048), (7, 56709320), (8, 49620655), (10, 39696524), (14, 28354660), (20, 19848262), (28, 14177330), (35, 11341864), (40, 9924131), (56, 7088665), (70, 5670932), (73, 5437880), (140, 2835466), (146, 2718940), (280, 1417733), (292, 1359470), (365, 1087576), (511, 776840), (584, 679735), (730, 543788), (1022, 388420), (1460, 271894), (2044, 194210), (2555, 155368), (2920, 135947), (4088, 97105), (5110, 77684), (10220, 38842), (19421, 20440)]