28613060

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 72441600

約数和(自身を除く): 43828540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 97, 98, 140, 172, 194, 196, 215, 245, 301, 343, 388, 430, 485, 490, 602, 679, 686, 860, 970, 980, 1204, 1358, 1372, 1505, 1715, 1940, 2107, 2716, 3010, 3395, 3430, 4171, 4214, 4753, 6020, 6790, 6860, 8342, 8428, 9506, 10535, 13580, 14749, 16684, 19012, 20855, 21070, 23765, 29197, 29498, 33271, 41710, 42140, 47530, 58394, 58996, 66542, 73745, 83420, 95060, 116788, 133084, 145985, 147490, 166355, 204379, 291970, 294980, 332710, 408758, 583940, 665420, 817516, 1021895, 1430653, 2043790, 2861306, 4087580, 5722612, 7153265, 14306530, 28613060]

約数ペア:

[(1, 28613060), (2, 14306530), (4, 7153265), (5, 5722612), (7, 4087580), (10, 2861306), (14, 2043790), (20, 1430653), (28, 1021895), (35, 817516), (43, 665420), (49, 583940), (70, 408758), (86, 332710), (97, 294980), (98, 291970), (140, 204379), (172, 166355), (194, 147490), (196, 145985), (215, 133084), (245, 116788), (301, 95060), (343, 83420), (388, 73745), (430, 66542), (485, 58996), (490, 58394), (602, 47530), (679, 42140), (686, 41710), (860, 33271), (970, 29498), (980, 29197), (1204, 23765), (1358, 21070), (1372, 20855), (1505, 19012), (1715, 16684), (1940, 14749), (2107, 13580), (2716, 10535), (3010, 9506), (3395, 8428), (3430, 8342), (4171, 6860), (4214, 6790), (4753, 6020)]