9913750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 23392512

約数和(自身を除く): 13478762

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 103, 110, 125, 154, 175, 206, 250, 275, 350, 385, 515, 550, 625, 721, 770, 875, 1030, 1133, 1250, 1375, 1442, 1750, 1925, 2266, 2575, 2750, 3605, 3850, 4375, 5150, 5665, 6875, 7210, 7931, 8750, 9625, 11330, 12875, 13750, 15862, 18025, 19250, 25750, 28325, 36050, 39655, 48125, 56650, 64375, 79310, 90125, 96250, 128750, 141625, 180250, 198275, 283250, 396550, 450625, 708125, 901250, 991375, 1416250, 1982750, 4956875, 9913750]

約数ペア:

[(1, 9913750), (2, 4956875), (5, 1982750), (7, 1416250), (10, 991375), (11, 901250), (14, 708125), (22, 450625), (25, 396550), (35, 283250), (50, 198275), (55, 180250), (70, 141625), (77, 128750), (103, 96250), (110, 90125), (125, 79310), (154, 64375), (175, 56650), (206, 48125), (250, 39655), (275, 36050), (350, 28325), (385, 25750), (515, 19250), (550, 18025), (625, 15862), (721, 13750), (770, 12875), (875, 11330), (1030, 9625), (1133, 8750), (1250, 7931), (1375, 7210), (1442, 6875), (1750, 5665), (1925, 5150), (2266, 4375), (2575, 3850), (2750, 3605)]