72291820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1427}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 161935200

約数和(自身を除く): 89643380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 596, 745, 1427, 1490, 2533, 2854, 2980, 5066, 5708, 7135, 10132, 12665, 14270, 24259, 25330, 28540, 48518, 50660, 97036, 121295, 212623, 242590, 425246, 485180, 850492, 1063115, 2126230, 3614591, 4252460, 7229182, 14458364, 18072955, 36145910, 72291820]

約数ペア:

[(1, 72291820), (2, 36145910), (4, 18072955), (5, 14458364), (10, 7229182), (17, 4252460), (20, 3614591), (34, 2126230), (68, 1063115), (85, 850492), (149, 485180), (170, 425246), (298, 242590), (340, 212623), (596, 121295), (745, 97036), (1427, 50660), (1490, 48518), (2533, 28540), (2854, 25330), (2980, 24259), (5066, 14270), (5708, 12665), (7135, 10132)]