28921050

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:254

約数の個数: 120

約数和(自身を含む): 82957116

約数和(自身を除く): 54036066

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 37, 45, 50, 54, 74, 75, 81, 90, 111, 135, 150, 162, 185, 193, 222, 225, 270, 333, 370, 386, 405, 450, 555, 579, 666, 675, 810, 925, 965, 999, 1110, 1158, 1350, 1665, 1737, 1850, 1930, 1998, 2025, 2775, 2895, 2997, 3330, 3474, 4050, 4825, 4995, 5211, 5550, 5790, 5994, 7141, 8325, 8685, 9650, 9990, 10422, 14282, 14475, 14985, 15633, 16650, 17370, 21423, 24975, 26055, 28950, 29970, 31266, 35705, 42846, 43425, 49950, 52110, 64269, 71410, 74925, 78165, 86850, 107115, 128538, 130275, 149850, 156330, 178525, 192807, 214230, 260550, 321345, 357050, 385614, 390825, 535575, 578421, 642690, 781650, 964035, 1071150, 1156842, 1606725, 1928070, 2892105, 3213450, 4820175, 5784210, 9640350, 14460525, 28921050]

約数ペア:

[(1, 28921050), (2, 14460525), (3, 9640350), (5, 5784210), (6, 4820175), (9, 3213450), (10, 2892105), (15, 1928070), (18, 1606725), (25, 1156842), (27, 1071150), (30, 964035), (37, 781650), (45, 642690), (50, 578421), (54, 535575), (74, 390825), (75, 385614), (81, 357050), (90, 321345), (111, 260550), (135, 214230), (150, 192807), (162, 178525), (185, 156330), (193, 149850), (222, 130275), (225, 128538), (270, 107115), (333, 86850), (370, 78165), (386, 74925), (405, 71410), (450, 64269), (555, 52110), (579, 49950), (666, 43425), (675, 42846), (810, 35705), (925, 31266), (965, 29970), (999, 28950), (1110, 26055), (1158, 24975), (1350, 21423), (1665, 17370), (1737, 16650), (1850, 15633), (1930, 14985), (1998, 14475), (2025, 14282), (2775, 10422), (2895, 9990), (2997, 9650), (3330, 8685), (3474, 8325), (4050, 7141), (4825, 5994), (4995, 5790), (5211, 5550)]