128402890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1619}}^1$

素因数の和:1747

約数の個数: 64

約数和(自身を含む): 291133440

約数和(自身を除く): 162730550

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 103, 110, 154, 206, 385, 515, 721, 770, 1030, 1133, 1442, 1619, 2266, 3238, 3605, 5665, 7210, 7931, 8095, 11330, 11333, 15862, 16190, 17809, 22666, 35618, 39655, 56665, 79310, 89045, 113330, 124663, 166757, 178090, 249326, 333514, 623315, 833785, 1167299, 1246630, 1667570, 1834327, 2334598, 3668654, 5836495, 9171635, 11672990, 12840289, 18343270, 25680578, 64201445, 128402890]

約数ペア:

[(1, 128402890), (2, 64201445), (5, 25680578), (7, 18343270), (10, 12840289), (11, 11672990), (14, 9171635), (22, 5836495), (35, 3668654), (55, 2334598), (70, 1834327), (77, 1667570), (103, 1246630), (110, 1167299), (154, 833785), (206, 623315), (385, 333514), (515, 249326), (721, 178090), (770, 166757), (1030, 124663), (1133, 113330), (1442, 89045), (1619, 79310), (2266, 56665), (3238, 39655), (3605, 35618), (5665, 22666), (7210, 17809), (7931, 16190), (8095, 15862), (11330, 11333)]