1398668540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{132701}}^1$

素因数の和:132758

約数の個数: 48

約数和(自身を含む): 3210326784

約数和(自身を除く): 1811658244

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 132701, 265402, 530804, 663505, 1327010, 2255917, 2654020, 4113731, 4511834, 8227462, 9023668, 11279585, 16454924, 20568655, 22559170, 41137310, 45118340, 69933427, 82274620, 139866854, 279733708, 349667135, 699334270, 1398668540]

約数ペア:

[(1, 1398668540), (2, 699334270), (4, 349667135), (5, 279733708), (10, 139866854), (17, 82274620), (20, 69933427), (31, 45118340), (34, 41137310), (62, 22559170), (68, 20568655), (85, 16454924), (124, 11279585), (155, 9023668), (170, 8227462), (310, 4511834), (340, 4113731), (527, 2654020), (620, 2255917), (1054, 1327010), (2108, 663505), (2635, 530804), (5270, 265402), (10540, 132701)]