28138500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:88

約数の個数: 216

約数和(自身を含む): 98718984

約数和(自身を除く): 70580484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 37, 39, 45, 50, 52, 60, 65, 74, 75, 78, 90, 100, 111, 117, 125, 130, 148, 150, 156, 169, 180, 185, 195, 222, 225, 234, 250, 260, 300, 325, 333, 338, 370, 375, 390, 444, 450, 468, 481, 500, 507, 555, 585, 650, 666, 676, 740, 750, 780, 845, 900, 925, 962, 975, 1014, 1110, 1125, 1170, 1300, 1332, 1443, 1500, 1521, 1625, 1665, 1690, 1850, 1924, 1950, 2028, 2220, 2250, 2340, 2405, 2535, 2775, 2886, 2925, 3042, 3250, 3330, 3380, 3700, 3900, 4225, 4329, 4500, 4625, 4810, 4875, 5070, 5550, 5772, 5850, 6084, 6253, 6500, 6660, 7215, 7605, 8325, 8450, 8658, 9250, 9620, 9750, 10140, 11100, 11700, 12025, 12506, 12675, 13875, 14430, 14625, 15210, 16650, 16900, 17316, 18500, 18759, 19500, 21125, 21645, 24050, 25012, 25350, 27750, 28860, 29250, 30420, 31265, 33300, 36075, 37518, 38025, 41625, 42250, 43290, 48100, 50700, 55500, 56277, 58500, 60125, 62530, 63375, 72150, 75036, 76050, 83250, 84500, 86580, 93795, 108225, 112554, 120250, 125060, 126750, 144300, 152100, 156325, 166500, 180375, 187590, 190125, 216450, 225108, 240500, 253500, 281385, 312650, 360750, 375180, 380250, 432900, 468975, 541125, 562770, 625300, 721500, 760500, 781625, 937950, 1082250, 1125540, 1406925, 1563250, 1875900, 2164500, 2344875, 2813850, 3126500, 4689750, 5627700, 7034625, 9379500, 14069250, 28138500]

約数ペア:

[(1, 28138500), (2, 14069250), (3, 9379500), (4, 7034625), (5, 5627700), (6, 4689750), (9, 3126500), (10, 2813850), (12, 2344875), (13, 2164500), (15, 1875900), (18, 1563250), (20, 1406925), (25, 1125540), (26, 1082250), (30, 937950), (36, 781625), (37, 760500), (39, 721500), (45, 625300), (50, 562770), (52, 541125), (60, 468975), (65, 432900), (74, 380250), (75, 375180), (78, 360750), (90, 312650), (100, 281385), (111, 253500), (117, 240500), (125, 225108), (130, 216450), (148, 190125), (150, 187590), (156, 180375), (169, 166500), (180, 156325), (185, 152100), (195, 144300), (222, 126750), (225, 125060), (234, 120250), (250, 112554), (260, 108225), (300, 93795), (325, 86580), (333, 84500), (338, 83250), (370, 76050), (375, 75036), (390, 72150), (444, 63375), (450, 62530), (468, 60125), (481, 58500), (500, 56277), (507, 55500), (555, 50700), (585, 48100), (650, 43290), (666, 42250), (676, 41625), (740, 38025), (750, 37518), (780, 36075), (845, 33300), (900, 31265), (925, 30420), (962, 29250), (975, 28860), (1014, 27750), (1110, 25350), (1125, 25012), (1170, 24050), (1300, 21645), (1332, 21125), (1443, 19500), (1500, 18759), (1521, 18500), (1625, 17316), (1665, 16900), (1690, 16650), (1850, 15210), (1924, 14625), (1950, 14430), (2028, 13875), (2220, 12675), (2250, 12506), (2340, 12025), (2405, 11700), (2535, 11100), (2775, 10140), (2886, 9750), (2925, 9620), (3042, 9250), (3250, 8658), (3330, 8450), (3380, 8325), (3700, 7605), (3900, 7215), (4225, 6660), (4329, 6500), (4500, 6253), (4625, 6084), (4810, 5850), (4875, 5772), (5070, 5550)]