198656250

素因数分解:

$2^1\times 3^1\times 5^6\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 112

約数和(自身を含む): 538118112

約数和(自身を除く): 339461862

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 163, 195, 250, 325, 326, 375, 390, 489, 625, 650, 750, 815, 975, 978, 1250, 1625, 1630, 1875, 1950, 2119, 2445, 3125, 3250, 3750, 4075, 4238, 4875, 4890, 6250, 6357, 8125, 8150, 9375, 9750, 10595, 12225, 12714, 15625, 16250, 18750, 20375, 21190, 24375, 24450, 31250, 31785, 40625, 40750, 46875, 48750, 52975, 61125, 63570, 81250, 93750, 101875, 105950, 121875, 122250, 158925, 203125, 203750, 243750, 264875, 305625, 317850, 406250, 509375, 529750, 609375, 611250, 794625, 1018750, 1218750, 1324375, 1528125, 1589250, 2546875, 2648750, 3056250, 3973125, 5093750, 6621875, 7640625, 7946250, 13243750, 15281250, 19865625, 33109375, 39731250, 66218750, 99328125, 198656250]

約数ペア:

[(1, 198656250), (2, 99328125), (3, 66218750), (5, 39731250), (6, 33109375), (10, 19865625), (13, 15281250), (15, 13243750), (25, 7946250), (26, 7640625), (30, 6621875), (39, 5093750), (50, 3973125), (65, 3056250), (75, 2648750), (78, 2546875), (125, 1589250), (130, 1528125), (150, 1324375), (163, 1218750), (195, 1018750), (250, 794625), (325, 611250), (326, 609375), (375, 529750), (390, 509375), (489, 406250), (625, 317850), (650, 305625), (750, 264875), (815, 243750), (975, 203750), (978, 203125), (1250, 158925), (1625, 122250), (1630, 121875), (1875, 105950), (1950, 101875), (2119, 93750), (2445, 81250), (3125, 63570), (3250, 61125), (3750, 52975), (4075, 48750), (4238, 46875), (4875, 40750), (4890, 40625), (6250, 31785), (6357, 31250), (8125, 24450), (8150, 24375), (9375, 21190), (9750, 20375), (10595, 18750), (12225, 16250), (12714, 15625)]