816403750

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:515

約数の個数: 80

約数和(自身を含む): 1640399904

約数和(自身を除く): 823996154

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 103, 125, 170, 206, 250, 373, 425, 515, 625, 746, 850, 1030, 1250, 1751, 1865, 2125, 2575, 3502, 3730, 4250, 5150, 6341, 8755, 9325, 10625, 12682, 12875, 17510, 18650, 21250, 25750, 31705, 38419, 43775, 46625, 63410, 64375, 76838, 87550, 93250, 128750, 158525, 192095, 218875, 233125, 317050, 384190, 437750, 466250, 653123, 792625, 960475, 1094375, 1306246, 1585250, 1920950, 2188750, 3265615, 3963125, 4802375, 6531230, 7926250, 9604750, 16328075, 24011875, 32656150, 48023750, 81640375, 163280750, 408201875, 816403750]

約数ペア:

[(1, 816403750), (2, 408201875), (5, 163280750), (10, 81640375), (17, 48023750), (25, 32656150), (34, 24011875), (50, 16328075), (85, 9604750), (103, 7926250), (125, 6531230), (170, 4802375), (206, 3963125), (250, 3265615), (373, 2188750), (425, 1920950), (515, 1585250), (625, 1306246), (746, 1094375), (850, 960475), (1030, 792625), (1250, 653123), (1751, 466250), (1865, 437750), (2125, 384190), (2575, 317050), (3502, 233125), (3730, 218875), (4250, 192095), (5150, 158525), (6341, 128750), (8755, 93250), (9325, 87550), (10625, 76838), (12682, 64375), (12875, 63410), (17510, 46625), (18650, 43775), (21250, 38419), (25750, 31705)]