68480750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 145454400

約数和(自身を除く): 76973650

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 190, 247, 250, 325, 475, 494, 650, 950, 1109, 1235, 1625, 2218, 2375, 2470, 3250, 4750, 5545, 6175, 11090, 12350, 14417, 21071, 27725, 28834, 30875, 42142, 55450, 61750, 72085, 105355, 138625, 144170, 210710, 273923, 277250, 360425, 526775, 547846, 720850, 1053550, 1369615, 1802125, 2633875, 2739230, 3604250, 5267750, 6848075, 13696150, 34240375, 68480750]

約数ペア:

[(1, 68480750), (2, 34240375), (5, 13696150), (10, 6848075), (13, 5267750), (19, 3604250), (25, 2739230), (26, 2633875), (38, 1802125), (50, 1369615), (65, 1053550), (95, 720850), (125, 547846), (130, 526775), (190, 360425), (247, 277250), (250, 273923), (325, 210710), (475, 144170), (494, 138625), (650, 105355), (950, 72085), (1109, 61750), (1235, 55450), (1625, 42142), (2218, 30875), (2375, 28834), (2470, 27725), (3250, 21071), (4750, 14417), (5545, 12350), (6175, 11090)]