142399880

素因数分解:

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

素因数の和:236

約数の個数: 128

約数和(自身を含む): 381024000

約数和(自身を除く): 238624120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 97, 98, 107, 140, 194, 196, 214, 245, 280, 343, 388, 392, 428, 485, 490, 535, 679, 686, 749, 776, 856, 970, 980, 1070, 1358, 1372, 1498, 1715, 1940, 1960, 2140, 2716, 2744, 2996, 3395, 3430, 3745, 3880, 4280, 4753, 5243, 5432, 5992, 6790, 6860, 7490, 9506, 10379, 10486, 13580, 13720, 14980, 19012, 20758, 20972, 23765, 26215, 27160, 29960, 33271, 36701, 38024, 41516, 41944, 47530, 51895, 52430, 66542, 72653, 73402, 83032, 95060, 103790, 104860, 133084, 145306, 146804, 166355, 183505, 190120, 207580, 209720, 266168, 290612, 293608, 332710, 363265, 367010, 415160, 508571, 581224, 665420, 726530, 734020, 1017142, 1330840, 1453060, 1468040, 2034284, 2542855, 2906120, 3559997, 4068568, 5085710, 7119994, 10171420, 14239988, 17799985, 20342840, 28479976, 35599970, 71199940, 142399880]

約数ペア:

[(1, 142399880), (2, 71199940), (4, 35599970), (5, 28479976), (7, 20342840), (8, 17799985), (10, 14239988), (14, 10171420), (20, 7119994), (28, 5085710), (35, 4068568), (40, 3559997), (49, 2906120), (56, 2542855), (70, 2034284), (97, 1468040), (98, 1453060), (107, 1330840), (140, 1017142), (194, 734020), (196, 726530), (214, 665420), (245, 581224), (280, 508571), (343, 415160), (388, 367010), (392, 363265), (428, 332710), (485, 293608), (490, 290612), (535, 266168), (679, 209720), (686, 207580), (749, 190120), (776, 183505), (856, 166355), (970, 146804), (980, 145306), (1070, 133084), (1358, 104860), (1372, 103790), (1498, 95060), (1715, 83032), (1940, 73402), (1960, 72653), (2140, 66542), (2716, 52430), (2744, 51895), (2996, 47530), (3395, 41944), (3430, 41516), (3745, 38024), (3880, 36701), (4280, 33271), (4753, 29960), (5243, 27160), (5432, 26215), (5992, 23765), (6790, 20972), (6860, 20758), (7490, 19012), (9506, 14980), (10379, 13720), (10486, 13580)]