31033100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1095

約数の個数: 72

約数和(自身を含む): 78828288

約数和(自身を除く): 47795188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 172, 175, 215, 301, 350, 430, 602, 700, 860, 1031, 1075, 1204, 1505, 2062, 2150, 3010, 4124, 4300, 5155, 6020, 7217, 7525, 10310, 14434, 15050, 20620, 25775, 28868, 30100, 36085, 44333, 51550, 72170, 88666, 103100, 144340, 177332, 180425, 221665, 310331, 360850, 443330, 620662, 721700, 886660, 1108325, 1241324, 1551655, 2216650, 3103310, 4433300, 6206620, 7758275, 15516550, 31033100]

約数ペア:

[(1, 31033100), (2, 15516550), (4, 7758275), (5, 6206620), (7, 4433300), (10, 3103310), (14, 2216650), (20, 1551655), (25, 1241324), (28, 1108325), (35, 886660), (43, 721700), (50, 620662), (70, 443330), (86, 360850), (100, 310331), (140, 221665), (172, 180425), (175, 177332), (215, 144340), (301, 103100), (350, 88666), (430, 72170), (602, 51550), (700, 44333), (860, 36085), (1031, 30100), (1075, 28868), (1204, 25775), (1505, 20620), (2062, 15050), (2150, 14434), (3010, 10310), (4124, 7525), (4300, 7217), (5155, 6020)]