79462500

素因数分解:

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

素因数の和:208

約数の個数: 144

約数和(自身を含む): 251108928

約数和(自身を除く): 171646428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 163, 195, 250, 260, 300, 325, 326, 375, 390, 489, 500, 625, 650, 652, 750, 780, 815, 975, 978, 1250, 1300, 1500, 1625, 1630, 1875, 1950, 1956, 2119, 2445, 2500, 3125, 3250, 3260, 3750, 3900, 4075, 4238, 4875, 4890, 6250, 6357, 6500, 7500, 8125, 8150, 8476, 9375, 9750, 9780, 10595, 12225, 12500, 12714, 16250, 16300, 18750, 19500, 20375, 21190, 24375, 24450, 25428, 31785, 32500, 37500, 40625, 40750, 42380, 48750, 48900, 52975, 61125, 63570, 81250, 81500, 97500, 101875, 105950, 121875, 122250, 127140, 158925, 162500, 203750, 211900, 243750, 244500, 264875, 305625, 317850, 407500, 487500, 509375, 529750, 611250, 635700, 794625, 1018750, 1059500, 1222500, 1324375, 1528125, 1589250, 2037500, 2648750, 3056250, 3178500, 3973125, 5297500, 6112500, 6621875, 7946250, 13243750, 15892500, 19865625, 26487500, 39731250, 79462500]

約数ペア:

[(1, 79462500), (2, 39731250), (3, 26487500), (4, 19865625), (5, 15892500), (6, 13243750), (10, 7946250), (12, 6621875), (13, 6112500), (15, 5297500), (20, 3973125), (25, 3178500), (26, 3056250), (30, 2648750), (39, 2037500), (50, 1589250), (52, 1528125), (60, 1324375), (65, 1222500), (75, 1059500), (78, 1018750), (100, 794625), (125, 635700), (130, 611250), (150, 529750), (156, 509375), (163, 487500), (195, 407500), (250, 317850), (260, 305625), (300, 264875), (325, 244500), (326, 243750), (375, 211900), (390, 203750), (489, 162500), (500, 158925), (625, 127140), (650, 122250), (652, 121875), (750, 105950), (780, 101875), (815, 97500), (975, 81500), (978, 81250), (1250, 63570), (1300, 61125), (1500, 52975), (1625, 48900), (1630, 48750), (1875, 42380), (1950, 40750), (1956, 40625), (2119, 37500), (2445, 32500), (2500, 31785), (3125, 25428), (3250, 24450), (3260, 24375), (3750, 21190), (3900, 20375), (4075, 19500), (4238, 18750), (4875, 16300), (4890, 16250), (6250, 12714), (6357, 12500), (6500, 12225), (7500, 10595), (8125, 9780), (8150, 9750), (8476, 9375)]