1119489980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257947}}^1$

素因数の和:257994

約数の個数: 48

約数和(自身を含む): 2773456896

約数和(自身を除く): 1653966916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 257947, 515894, 1031788, 1289735, 1805629, 2579470, 3611258, 5158940, 7222516, 7996357, 9028145, 15992714, 18056290, 31985428, 36112580, 39981785, 55974499, 79963570, 111948998, 159927140, 223897996, 279872495, 559744990, 1119489980]

約数ペア:

[(1, 1119489980), (2, 559744990), (4, 279872495), (5, 223897996), (7, 159927140), (10, 111948998), (14, 79963570), (20, 55974499), (28, 39981785), (31, 36112580), (35, 31985428), (62, 18056290), (70, 15992714), (124, 9028145), (140, 7996357), (155, 7222516), (217, 5158940), (310, 3611258), (434, 2579470), (620, 1805629), (868, 1289735), (1085, 1031788), (2170, 515894), (4340, 257947)]