211119140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{1319}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 455051520

約数和(自身を除く): 243932380

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 151, 212, 265, 302, 530, 604, 755, 1060, 1319, 1510, 2638, 3020, 5276, 6595, 8003, 13190, 16006, 26380, 32012, 40015, 69907, 80030, 139814, 160060, 199169, 279628, 349535, 398338, 699070, 796676, 995845, 1398140, 1991690, 3983380, 10555957, 21111914, 42223828, 52779785, 105559570, 211119140]

約数ペア:

[(1, 211119140), (2, 105559570), (4, 52779785), (5, 42223828), (10, 21111914), (20, 10555957), (53, 3983380), (106, 1991690), (151, 1398140), (212, 995845), (265, 796676), (302, 699070), (530, 398338), (604, 349535), (755, 279628), (1060, 199169), (1319, 160060), (1510, 139814), (2638, 80030), (3020, 69907), (5276, 40015), (6595, 32012), (8003, 26380), (13190, 16006)]