209874816

素因数分解:

$2^7\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^2$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 637355160

約数和(自身を除く): 427480344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 89, 92, 96, 128, 138, 144, 178, 184, 192, 207, 267, 276, 288, 356, 368, 384, 414, 534, 552, 576, 712, 736, 801, 828, 1068, 1104, 1152, 1424, 1472, 1602, 1656, 2047, 2136, 2208, 2848, 2944, 3204, 3312, 4094, 4272, 4416, 5696, 6141, 6408, 6624, 7921, 8188, 8544, 8832, 11392, 12282, 12816, 13248, 15842, 16376, 17088, 18423, 23763, 24564, 25632, 26496, 31684, 32752, 34176, 36846, 47526, 49128, 51264, 63368, 65504, 71289, 73692, 95052, 98256, 102528, 126736, 131008, 142578, 147384, 182183, 190104, 196512, 253472, 262016, 285156, 294768, 364366, 380208, 393024, 506944, 546549, 570312, 589536, 728732, 760416, 786048, 1013888, 1093098, 1140624, 1179072, 1457464, 1520832, 1639647, 2186196, 2281248, 2358144, 2914928, 3041664, 3279294, 4372392, 4562496, 5829856, 6558588, 8744784, 9124992, 11659712, 13117176, 17489568, 23319424, 26234352, 34979136, 52468704, 69958272, 104937408, 209874816]

約数ペア:

[(1, 209874816), (2, 104937408), (3, 69958272), (4, 52468704), (6, 34979136), (8, 26234352), (9, 23319424), (12, 17489568), (16, 13117176), (18, 11659712), (23, 9124992), (24, 8744784), (32, 6558588), (36, 5829856), (46, 4562496), (48, 4372392), (64, 3279294), (69, 3041664), (72, 2914928), (89, 2358144), (92, 2281248), (96, 2186196), (128, 1639647), (138, 1520832), (144, 1457464), (178, 1179072), (184, 1140624), (192, 1093098), (207, 1013888), (267, 786048), (276, 760416), (288, 728732), (356, 589536), (368, 570312), (384, 546549), (414, 506944), (534, 393024), (552, 380208), (576, 364366), (712, 294768), (736, 285156), (801, 262016), (828, 253472), (1068, 196512), (1104, 190104), (1152, 182183), (1424, 147384), (1472, 142578), (1602, 131008), (1656, 126736), (2047, 102528), (2136, 98256), (2208, 95052), (2848, 73692), (2944, 71289), (3204, 65504), (3312, 63368), (4094, 51264), (4272, 49128), (4416, 47526), (5696, 36846), (6141, 34176), (6408, 32752), (6624, 31684), (7921, 26496), (8188, 25632), (8544, 24564), (8832, 23763), (11392, 18423), (12282, 17088), (12816, 16376), (13248, 15842)]