2161250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:61

約数の個数: 80

約数和(自身を含む): 5248320

約数和(自身を除く): 3087070

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 25, 26, 35, 38, 50, 65, 70, 91, 95, 125, 130, 133, 175, 182, 190, 247, 250, 266, 325, 350, 455, 475, 494, 625, 650, 665, 875, 910, 950, 1235, 1250, 1330, 1625, 1729, 1750, 2275, 2375, 2470, 3250, 3325, 3458, 4375, 4550, 4750, 6175, 6650, 8125, 8645, 8750, 11375, 11875, 12350, 16250, 16625, 17290, 22750, 23750, 30875, 33250, 43225, 56875, 61750, 83125, 86450, 113750, 154375, 166250, 216125, 308750, 432250, 1080625, 2161250]

約数ペア:

[(1, 2161250), (2, 1080625), (5, 432250), (7, 308750), (10, 216125), (13, 166250), (14, 154375), (19, 113750), (25, 86450), (26, 83125), (35, 61750), (38, 56875), (50, 43225), (65, 33250), (70, 30875), (91, 23750), (95, 22750), (125, 17290), (130, 16625), (133, 16250), (175, 12350), (182, 11875), (190, 11375), (247, 8750), (250, 8645), (266, 8125), (325, 6650), (350, 6175), (455, 4750), (475, 4550), (494, 4375), (625, 3458), (650, 3325), (665, 3250), (875, 2470), (910, 2375), (950, 2275), (1235, 1750), (1250, 1729), (1330, 1625)]