84972860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2797}}^1$

素因数の和:2851

約数の個数: 72

約数和(自身を含む): 214349184

約数和(自身を除く): 129376324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 2797, 3038, 4340, 5594, 6076, 7595, 11188, 13985, 15190, 19579, 27970, 30380, 39158, 55940, 78316, 86707, 97895, 137053, 173414, 195790, 274106, 346828, 391580, 433535, 548212, 606949, 685265, 867070, 1213898, 1370530, 1734140, 2427796, 2741060, 3034745, 4248643, 6069490, 8497286, 12138980, 16994572, 21243215, 42486430, 84972860]

約数ペア:

[(1, 84972860), (2, 42486430), (4, 21243215), (5, 16994572), (7, 12138980), (10, 8497286), (14, 6069490), (20, 4248643), (28, 3034745), (31, 2741060), (35, 2427796), (49, 1734140), (62, 1370530), (70, 1213898), (98, 867070), (124, 685265), (140, 606949), (155, 548212), (196, 433535), (217, 391580), (245, 346828), (310, 274106), (434, 195790), (490, 173414), (620, 137053), (868, 97895), (980, 86707), (1085, 78316), (1519, 55940), (2170, 39158), (2797, 30380), (3038, 27970), (4340, 19579), (5594, 15190), (6076, 13985), (7595, 11188)]