2015201750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{743}}^1$

素因数の和:1350

約数の個数: 64

約数和(自身を含む): 3983316480

約数和(自身を除く): 1968114730

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 571, 743, 950, 1142, 1486, 2375, 2855, 3715, 4750, 5710, 7430, 10849, 14117, 14275, 18575, 21698, 28234, 28550, 37150, 54245, 70585, 71375, 92875, 108490, 141170, 142750, 185750, 271225, 352925, 424253, 542450, 705850, 848506, 1356125, 1764625, 2121265, 2712250, 3529250, 4242530, 8060807, 10606325, 16121614, 21212650, 40304035, 53031625, 80608070, 106063250, 201520175, 403040350, 1007600875, 2015201750]

約数ペア:

[(1, 2015201750), (2, 1007600875), (5, 403040350), (10, 201520175), (19, 106063250), (25, 80608070), (38, 53031625), (50, 40304035), (95, 21212650), (125, 16121614), (190, 10606325), (250, 8060807), (475, 4242530), (571, 3529250), (743, 2712250), (950, 2121265), (1142, 1764625), (1486, 1356125), (2375, 848506), (2855, 705850), (3715, 542450), (4750, 424253), (5710, 352925), (7430, 271225), (10849, 185750), (14117, 142750), (14275, 141170), (18575, 108490), (21698, 92875), (28234, 71375), (28550, 70585), (37150, 54245)]