192968750

素因数分解:

$2^1\times 5^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:74

約数の個数: 72

約数和(自身を含む): 410156040

約数和(自身を除く): 217187290

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 190, 247, 250, 325, 475, 494, 625, 650, 950, 1235, 1250, 1625, 2375, 2470, 3125, 3250, 4750, 6175, 6250, 8125, 11875, 12350, 15625, 16250, 23750, 30875, 31250, 40625, 59375, 61750, 78125, 81250, 118750, 154375, 156250, 203125, 296875, 308750, 390625, 406250, 593750, 771875, 781250, 1015625, 1484375, 1543750, 2031250, 2968750, 3859375, 5078125, 7421875, 7718750, 10156250, 14843750, 19296875, 38593750, 96484375, 192968750]

約数ペア:

[(1, 192968750), (2, 96484375), (5, 38593750), (10, 19296875), (13, 14843750), (19, 10156250), (25, 7718750), (26, 7421875), (38, 5078125), (50, 3859375), (65, 2968750), (95, 2031250), (125, 1543750), (130, 1484375), (190, 1015625), (247, 781250), (250, 771875), (325, 593750), (475, 406250), (494, 390625), (625, 308750), (650, 296875), (950, 203125), (1235, 156250), (1250, 154375), (1625, 118750), (2375, 81250), (2470, 78125), (3125, 61750), (3250, 59375), (4750, 40625), (6175, 31250), (6250, 30875), (8125, 23750), (11875, 16250), (12350, 15625)]