28723500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:529

約数の個数: 144

約数和(自身を含む): 97782048

約数和(自身を除く): 69058548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 125, 130, 150, 156, 180, 195, 225, 234, 250, 260, 300, 325, 375, 390, 450, 468, 491, 500, 585, 650, 750, 780, 900, 975, 982, 1125, 1170, 1300, 1473, 1500, 1625, 1950, 1964, 2250, 2340, 2455, 2925, 2946, 3250, 3900, 4419, 4500, 4875, 4910, 5850, 5892, 6383, 6500, 7365, 8838, 9750, 9820, 11700, 12275, 12766, 14625, 14730, 17676, 19149, 19500, 22095, 24550, 25532, 29250, 29460, 31915, 36825, 38298, 44190, 49100, 57447, 58500, 61375, 63830, 73650, 76596, 88380, 95745, 110475, 114894, 122750, 127660, 147300, 159575, 184125, 191490, 220950, 229788, 245500, 287235, 319150, 368250, 382980, 441900, 478725, 552375, 574470, 638300, 736500, 797875, 957450, 1104750, 1148940, 1436175, 1595750, 1914900, 2209500, 2393625, 2872350, 3191500, 4787250, 5744700, 7180875, 9574500, 14361750, 28723500]

約数ペア:

[(1, 28723500), (2, 14361750), (3, 9574500), (4, 7180875), (5, 5744700), (6, 4787250), (9, 3191500), (10, 2872350), (12, 2393625), (13, 2209500), (15, 1914900), (18, 1595750), (20, 1436175), (25, 1148940), (26, 1104750), (30, 957450), (36, 797875), (39, 736500), (45, 638300), (50, 574470), (52, 552375), (60, 478725), (65, 441900), (75, 382980), (78, 368250), (90, 319150), (100, 287235), (117, 245500), (125, 229788), (130, 220950), (150, 191490), (156, 184125), (180, 159575), (195, 147300), (225, 127660), (234, 122750), (250, 114894), (260, 110475), (300, 95745), (325, 88380), (375, 76596), (390, 73650), (450, 63830), (468, 61375), (491, 58500), (500, 57447), (585, 49100), (650, 44190), (750, 38298), (780, 36825), (900, 31915), (975, 29460), (982, 29250), (1125, 25532), (1170, 24550), (1300, 22095), (1473, 19500), (1500, 19149), (1625, 17676), (1950, 14730), (1964, 14625), (2250, 12766), (2340, 12275), (2455, 11700), (2925, 9820), (2946, 9750), (3250, 8838), (3900, 7365), (4419, 6500), (4500, 6383), (4875, 5892), (4910, 5850)]