8771140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 22708224

約数和(自身を除く): 13937084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 47, 62, 70, 86, 94, 124, 140, 155, 172, 188, 215, 217, 235, 301, 310, 329, 430, 434, 470, 602, 620, 658, 860, 868, 940, 1085, 1204, 1316, 1333, 1457, 1505, 1645, 2021, 2170, 2666, 2914, 3010, 3290, 4042, 4340, 5332, 5828, 6020, 6580, 6665, 7285, 8084, 9331, 10105, 10199, 13330, 14147, 14570, 18662, 20210, 20398, 26660, 28294, 29140, 37324, 40420, 40796, 46655, 50995, 56588, 62651, 70735, 93310, 101990, 125302, 141470, 186620, 203980, 250604, 282940, 313255, 438557, 626510, 877114, 1253020, 1754228, 2192785, 4385570, 8771140]

約数ペア:

[(1, 8771140), (2, 4385570), (4, 2192785), (5, 1754228), (7, 1253020), (10, 877114), (14, 626510), (20, 438557), (28, 313255), (31, 282940), (35, 250604), (43, 203980), (47, 186620), (62, 141470), (70, 125302), (86, 101990), (94, 93310), (124, 70735), (140, 62651), (155, 56588), (172, 50995), (188, 46655), (215, 40796), (217, 40420), (235, 37324), (301, 29140), (310, 28294), (329, 26660), (430, 20398), (434, 20210), (470, 18662), (602, 14570), (620, 14147), (658, 13330), (860, 10199), (868, 10105), (940, 9331), (1085, 8084), (1204, 7285), (1316, 6665), (1333, 6580), (1457, 6020), (1505, 5828), (1645, 5332), (2021, 4340), (2170, 4042), (2666, 3290), (2914, 3010)]