2739563960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{19927}}^1$

素因数の和:20436

約数の個数: 64

約数和(自身を含む): 7059294720

約数和(自身を除く): 4319730760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 491, 982, 1964, 2455, 3437, 3928, 4910, 6874, 9820, 13748, 17185, 19640, 19927, 27496, 34370, 39854, 68740, 79708, 99635, 137480, 139489, 159416, 199270, 278978, 398540, 557956, 697445, 797080, 1115912, 1394890, 2789780, 5579560, 9784157, 19568314, 39136628, 48920785, 68489099, 78273256, 97841570, 136978198, 195683140, 273956396, 342445495, 391366280, 547912792, 684890990, 1369781980, 2739563960]

約数ペア:

[(1, 2739563960), (2, 1369781980), (4, 684890990), (5, 547912792), (7, 391366280), (8, 342445495), (10, 273956396), (14, 195683140), (20, 136978198), (28, 97841570), (35, 78273256), (40, 68489099), (56, 48920785), (70, 39136628), (140, 19568314), (280, 9784157), (491, 5579560), (982, 2789780), (1964, 1394890), (2455, 1115912), (3437, 797080), (3928, 697445), (4910, 557956), (6874, 398540), (9820, 278978), (13748, 199270), (17185, 159416), (19640, 139489), (19927, 137480), (27496, 99635), (34370, 79708), (39854, 68740)]