19977300

素因数分解:

$2^2\times 3^3\times 5^2\times 7^2\times {\mathrm{151}}^1$

素因数の和:188

約数の個数: 216

約数和(自身を含む): 75203520

約数和(自身を除く): 55226220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 49, 50, 54, 60, 63, 70, 75, 84, 90, 98, 100, 105, 108, 126, 135, 140, 147, 150, 151, 175, 180, 189, 196, 210, 225, 245, 252, 270, 294, 300, 302, 315, 350, 378, 420, 441, 450, 453, 490, 525, 540, 588, 604, 630, 675, 700, 735, 755, 756, 882, 900, 906, 945, 980, 1050, 1057, 1225, 1260, 1323, 1350, 1359, 1470, 1510, 1575, 1764, 1812, 1890, 2100, 2114, 2205, 2265, 2450, 2646, 2700, 2718, 2940, 3020, 3150, 3171, 3675, 3775, 3780, 4077, 4228, 4410, 4530, 4725, 4900, 5285, 5292, 5436, 6300, 6342, 6615, 6795, 7350, 7399, 7550, 8154, 8820, 9060, 9450, 9513, 10570, 11025, 11325, 12684, 13230, 13590, 14700, 14798, 15100, 15855, 16308, 18900, 19026, 20385, 21140, 22050, 22197, 22650, 26425, 26460, 27180, 28539, 29596, 31710, 33075, 33975, 36995, 38052, 40770, 44100, 44394, 45300, 47565, 52850, 57078, 63420, 66150, 66591, 67950, 73990, 79275, 81540, 88788, 95130, 101925, 105700, 110985, 114156, 132300, 133182, 135900, 142695, 147980, 158550, 184975, 190260, 199773, 203850, 221970, 237825, 266364, 285390, 317100, 332955, 369950, 399546, 407700, 443940, 475650, 554925, 570780, 665910, 713475, 739900, 799092, 951300, 998865, 1109850, 1331820, 1426950, 1664775, 1997730, 2219700, 2853900, 3329550, 3995460, 4994325, 6659100, 9988650, 19977300]

約数ペア:

[(1, 19977300), (2, 9988650), (3, 6659100), (4, 4994325), (5, 3995460), (6, 3329550), (7, 2853900), (9, 2219700), (10, 1997730), (12, 1664775), (14, 1426950), (15, 1331820), (18, 1109850), (20, 998865), (21, 951300), (25, 799092), (27, 739900), (28, 713475), (30, 665910), (35, 570780), (36, 554925), (42, 475650), (45, 443940), (49, 407700), (50, 399546), (54, 369950), (60, 332955), (63, 317100), (70, 285390), (75, 266364), (84, 237825), (90, 221970), (98, 203850), (100, 199773), (105, 190260), (108, 184975), (126, 158550), (135, 147980), (140, 142695), (147, 135900), (150, 133182), (151, 132300), (175, 114156), (180, 110985), (189, 105700), (196, 101925), (210, 95130), (225, 88788), (245, 81540), (252, 79275), (270, 73990), (294, 67950), (300, 66591), (302, 66150), (315, 63420), (350, 57078), (378, 52850), (420, 47565), (441, 45300), (450, 44394), (453, 44100), (490, 40770), (525, 38052), (540, 36995), (588, 33975), (604, 33075), (630, 31710), (675, 29596), (700, 28539), (735, 27180), (755, 26460), (756, 26425), (882, 22650), (900, 22197), (906, 22050), (945, 21140), (980, 20385), (1050, 19026), (1057, 18900), (1225, 16308), (1260, 15855), (1323, 15100), (1350, 14798), (1359, 14700), (1470, 13590), (1510, 13230), (1575, 12684), (1764, 11325), (1812, 11025), (1890, 10570), (2100, 9513), (2114, 9450), (2205, 9060), (2265, 8820), (2450, 8154), (2646, 7550), (2700, 7399), (2718, 7350), (2940, 6795), (3020, 6615), (3150, 6342), (3171, 6300), (3675, 5436), (3775, 5292), (3780, 5285), (4077, 4900), (4228, 4725), (4410, 4530)]