2023420

素因数分解:

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

素因数の和:262

約数の個数: 48

約数和(自身を含む): 4939200

約数和(自身を除く): 2915780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 149, 194, 298, 388, 485, 596, 679, 745, 970, 1043, 1358, 1490, 1940, 2086, 2716, 2980, 3395, 4172, 5215, 6790, 10430, 13580, 14453, 20860, 28906, 57812, 72265, 101171, 144530, 202342, 289060, 404684, 505855, 1011710, 2023420]

約数ペア:

[(1, 2023420), (2, 1011710), (4, 505855), (5, 404684), (7, 289060), (10, 202342), (14, 144530), (20, 101171), (28, 72265), (35, 57812), (70, 28906), (97, 20860), (140, 14453), (149, 13580), (194, 10430), (298, 6790), (388, 5215), (485, 4172), (596, 3395), (679, 2980), (745, 2716), (970, 2086), (1043, 1940), (1358, 1490)]