140442400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:867

約数の個数: 144

約数和(自身を含む): 404974080

約数和(自身を除く): 264531680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 800, 809, 868, 992, 1085, 1120, 1240, 1400, 1550, 1618, 1736, 2170, 2480, 2800, 3100, 3236, 3472, 4045, 4340, 4960, 5425, 5600, 5663, 6200, 6472, 6944, 8090, 8680, 10850, 11326, 12400, 12944, 16180, 17360, 20225, 21700, 22652, 24800, 25079, 25888, 28315, 32360, 34720, 40450, 43400, 45304, 50158, 56630, 64720, 80900, 86800, 90608, 100316, 113260, 125395, 129440, 141575, 161800, 173600, 175553, 181216, 200632, 226520, 250790, 283150, 323600, 351106, 401264, 453040, 501580, 566300, 626975, 647200, 702212, 802528, 877765, 906080, 1003160, 1132600, 1253950, 1404424, 1755530, 2006320, 2265200, 2507900, 2808848, 3511060, 4012640, 4388825, 4530400, 5015800, 5617696, 7022120, 8777650, 10031600, 14044240, 17555300, 20063200, 28088480, 35110600, 70221200, 140442400]

約数ペア:

[(1, 140442400), (2, 70221200), (4, 35110600), (5, 28088480), (7, 20063200), (8, 17555300), (10, 14044240), (14, 10031600), (16, 8777650), (20, 7022120), (25, 5617696), (28, 5015800), (31, 4530400), (32, 4388825), (35, 4012640), (40, 3511060), (50, 2808848), (56, 2507900), (62, 2265200), (70, 2006320), (80, 1755530), (100, 1404424), (112, 1253950), (124, 1132600), (140, 1003160), (155, 906080), (160, 877765), (175, 802528), (200, 702212), (217, 647200), (224, 626975), (248, 566300), (280, 501580), (310, 453040), (350, 401264), (400, 351106), (434, 323600), (496, 283150), (560, 250790), (620, 226520), (700, 200632), (775, 181216), (800, 175553), (809, 173600), (868, 161800), (992, 141575), (1085, 129440), (1120, 125395), (1240, 113260), (1400, 100316), (1550, 90608), (1618, 86800), (1736, 80900), (2170, 64720), (2480, 56630), (2800, 50158), (3100, 45304), (3236, 43400), (3472, 40450), (4045, 34720), (4340, 32360), (4960, 28315), (5425, 25888), (5600, 25079), (5663, 24800), (6200, 22652), (6472, 21700), (6944, 20225), (8090, 17360), (8680, 16180), (10850, 12944), (11326, 12400)]