7821700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 18561312

約数和(自身を除く): 10739612

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 43, 50, 68, 85, 86, 100, 107, 170, 172, 214, 215, 340, 425, 428, 430, 535, 731, 850, 860, 1070, 1075, 1462, 1700, 1819, 2140, 2150, 2675, 2924, 3638, 3655, 4300, 4601, 5350, 7276, 7310, 9095, 9202, 10700, 14620, 18190, 18275, 18404, 23005, 36380, 36550, 45475, 46010, 73100, 78217, 90950, 92020, 115025, 156434, 181900, 230050, 312868, 391085, 460100, 782170, 1564340, 1955425, 3910850, 7821700]

約数ペア:

[(1, 7821700), (2, 3910850), (4, 1955425), (5, 1564340), (10, 782170), (17, 460100), (20, 391085), (25, 312868), (34, 230050), (43, 181900), (50, 156434), (68, 115025), (85, 92020), (86, 90950), (100, 78217), (107, 73100), (170, 46010), (172, 45475), (214, 36550), (215, 36380), (340, 23005), (425, 18404), (428, 18275), (430, 18190), (535, 14620), (731, 10700), (850, 9202), (860, 9095), (1070, 7310), (1075, 7276), (1462, 5350), (1700, 4601), (1819, 4300), (2140, 3655), (2150, 3638), (2675, 2924)]