71199940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 177811200

約数和(自身を除く): 106611260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 107, 140, 194, 196, 214, 245, 343, 388, 428, 485, 490, 535, 679, 686, 749, 970, 980, 1070, 1358, 1372, 1498, 1715, 1940, 2140, 2716, 2996, 3395, 3430, 3745, 4753, 5243, 6790, 6860, 7490, 9506, 10379, 10486, 13580, 14980, 19012, 20758, 20972, 23765, 26215, 33271, 36701, 41516, 47530, 51895, 52430, 66542, 72653, 73402, 95060, 103790, 104860, 133084, 145306, 146804, 166355, 183505, 207580, 290612, 332710, 363265, 367010, 508571, 665420, 726530, 734020, 1017142, 1453060, 2034284, 2542855, 3559997, 5085710, 7119994, 10171420, 14239988, 17799985, 35599970, 71199940]

約数ペア:

[(1, 71199940), (2, 35599970), (4, 17799985), (5, 14239988), (7, 10171420), (10, 7119994), (14, 5085710), (20, 3559997), (28, 2542855), (35, 2034284), (49, 1453060), (70, 1017142), (97, 734020), (98, 726530), (107, 665420), (140, 508571), (194, 367010), (196, 363265), (214, 332710), (245, 290612), (343, 207580), (388, 183505), (428, 166355), (485, 146804), (490, 145306), (535, 133084), (679, 104860), (686, 103790), (749, 95060), (970, 73402), (980, 72653), (1070, 66542), (1358, 52430), (1372, 51895), (1498, 47530), (1715, 41516), (1940, 36701), (2140, 33271), (2716, 26215), (2996, 23765), (3395, 20972), (3430, 20758), (3745, 19012), (4753, 14980), (5243, 13580), (6790, 10486), (6860, 10379), (7490, 9506)]