220102400

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{17}}^3$

素因数の和:84

約数の個数: 216

約数和(自身を含む): 661520160

約数和(自身を除く): 441417760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 50, 56, 64, 68, 70, 80, 85, 100, 112, 119, 128, 136, 140, 160, 170, 175, 200, 224, 238, 256, 272, 280, 289, 320, 340, 350, 400, 425, 448, 476, 544, 560, 578, 595, 640, 680, 700, 800, 850, 896, 952, 1088, 1120, 1156, 1190, 1280, 1360, 1400, 1445, 1600, 1700, 1792, 1904, 2023, 2176, 2240, 2312, 2380, 2720, 2800, 2890, 2975, 3200, 3400, 3808, 4046, 4352, 4480, 4624, 4760, 4913, 5440, 5600, 5780, 5950, 6400, 6800, 7225, 7616, 8092, 8960, 9248, 9520, 9826, 10115, 10880, 11200, 11560, 11900, 13600, 14450, 15232, 16184, 18496, 19040, 19652, 20230, 21760, 22400, 23120, 23800, 24565, 27200, 28900, 30464, 32368, 34391, 36992, 38080, 39304, 40460, 44800, 46240, 47600, 49130, 50575, 54400, 57800, 64736, 68782, 73984, 76160, 78608, 80920, 92480, 95200, 98260, 101150, 108800, 115600, 122825, 129472, 137564, 152320, 157216, 161840, 171955, 184960, 190400, 196520, 202300, 231200, 245650, 258944, 275128, 314432, 323680, 343910, 369920, 380800, 393040, 404600, 462400, 491300, 517888, 550256, 628864, 647360, 687820, 761600, 786080, 809200, 859775, 924800, 982600, 1100512, 1257728, 1294720, 1375640, 1572160, 1618400, 1719550, 1849600, 1965200, 2201024, 2589440, 2751280, 3144320, 3236800, 3439100, 3930400, 4402048, 5502560, 6288640, 6473600, 6878200, 7860800, 8804096, 11005120, 12947200, 13756400, 15721600, 22010240, 27512800, 31443200, 44020480, 55025600, 110051200, 220102400]

約数ペア:

[(1, 220102400), (2, 110051200), (4, 55025600), (5, 44020480), (7, 31443200), (8, 27512800), (10, 22010240), (14, 15721600), (16, 13756400), (17, 12947200), (20, 11005120), (25, 8804096), (28, 7860800), (32, 6878200), (34, 6473600), (35, 6288640), (40, 5502560), (50, 4402048), (56, 3930400), (64, 3439100), (68, 3236800), (70, 3144320), (80, 2751280), (85, 2589440), (100, 2201024), (112, 1965200), (119, 1849600), (128, 1719550), (136, 1618400), (140, 1572160), (160, 1375640), (170, 1294720), (175, 1257728), (200, 1100512), (224, 982600), (238, 924800), (256, 859775), (272, 809200), (280, 786080), (289, 761600), (320, 687820), (340, 647360), (350, 628864), (400, 550256), (425, 517888), (448, 491300), (476, 462400), (544, 404600), (560, 393040), (578, 380800), (595, 369920), (640, 343910), (680, 323680), (700, 314432), (800, 275128), (850, 258944), (896, 245650), (952, 231200), (1088, 202300), (1120, 196520), (1156, 190400), (1190, 184960), (1280, 171955), (1360, 161840), (1400, 157216), (1445, 152320), (1600, 137564), (1700, 129472), (1792, 122825), (1904, 115600), (2023, 108800), (2176, 101150), (2240, 98260), (2312, 95200), (2380, 92480), (2720, 80920), (2800, 78608), (2890, 76160), (2975, 73984), (3200, 68782), (3400, 64736), (3808, 57800), (4046, 54400), (4352, 50575), (4480, 49130), (4624, 47600), (4760, 46240), (4913, 44800), (5440, 40460), (5600, 39304), (5780, 38080), (5950, 36992), (6400, 34391), (6800, 32368), (7225, 30464), (7616, 28900), (8092, 27200), (8960, 24565), (9248, 23800), (9520, 23120), (9826, 22400), (10115, 21760), (10880, 20230), (11200, 19652), (11560, 19040), (11900, 18496), (13600, 16184), (14450, 15232)]