4046840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 10584000

約数和(自身を除く): 6537160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 149, 194, 280, 298, 388, 485, 596, 679, 745, 776, 970, 1043, 1192, 1358, 1490, 1940, 2086, 2716, 2980, 3395, 3880, 4172, 5215, 5432, 5960, 6790, 8344, 10430, 13580, 14453, 20860, 27160, 28906, 41720, 57812, 72265, 101171, 115624, 144530, 202342, 289060, 404684, 505855, 578120, 809368, 1011710, 2023420, 4046840]

約数ペア:

[(1, 4046840), (2, 2023420), (4, 1011710), (5, 809368), (7, 578120), (8, 505855), (10, 404684), (14, 289060), (20, 202342), (28, 144530), (35, 115624), (40, 101171), (56, 72265), (70, 57812), (97, 41720), (140, 28906), (149, 27160), (194, 20860), (280, 14453), (298, 13580), (388, 10430), (485, 8344), (596, 6790), (679, 5960), (745, 5432), (776, 5215), (970, 4172), (1043, 3880), (1192, 3395), (1358, 2980), (1490, 2716), (1940, 2086)]