209999856

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:236

約数の個数: 160

約数和(自身を含む): 631745280

約数和(自身を除く): 421745424

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 121, 132, 152, 173, 176, 209, 228, 242, 264, 304, 346, 363, 418, 456, 484, 519, 528, 627, 692, 726, 836, 912, 968, 1038, 1254, 1331, 1384, 1452, 1672, 1903, 1936, 2076, 2299, 2508, 2662, 2768, 2904, 3287, 3344, 3806, 3993, 4152, 4598, 5016, 5324, 5709, 5808, 6574, 6897, 7612, 7986, 8304, 9196, 9861, 10032, 10648, 11418, 13148, 13794, 15224, 15972, 18392, 19722, 20933, 21296, 22836, 25289, 26296, 27588, 30448, 31944, 36157, 36784, 39444, 41866, 45672, 50578, 52592, 55176, 62799, 63888, 72314, 75867, 78888, 83732, 91344, 101156, 108471, 110352, 125598, 144628, 151734, 157776, 167464, 202312, 216942, 230263, 251196, 289256, 303468, 334928, 397727, 404624, 433884, 460526, 502392, 578512, 606936, 690789, 795454, 867768, 921052, 1004784, 1193181, 1213872, 1381578, 1590908, 1735536, 1842104, 2386362, 2763156, 3181816, 3684208, 4374997, 4772724, 5526312, 6363632, 8749994, 9545448, 11052624, 13124991, 17499988, 19090896, 26249982, 34999976, 52499964, 69999952, 104999928, 209999856]

約数ペア:

[(1, 209999856), (2, 104999928), (3, 69999952), (4, 52499964), (6, 34999976), (8, 26249982), (11, 19090896), (12, 17499988), (16, 13124991), (19, 11052624), (22, 9545448), (24, 8749994), (33, 6363632), (38, 5526312), (44, 4772724), (48, 4374997), (57, 3684208), (66, 3181816), (76, 2763156), (88, 2386362), (114, 1842104), (121, 1735536), (132, 1590908), (152, 1381578), (173, 1213872), (176, 1193181), (209, 1004784), (228, 921052), (242, 867768), (264, 795454), (304, 690789), (346, 606936), (363, 578512), (418, 502392), (456, 460526), (484, 433884), (519, 404624), (528, 397727), (627, 334928), (692, 303468), (726, 289256), (836, 251196), (912, 230263), (968, 216942), (1038, 202312), (1254, 167464), (1331, 157776), (1384, 151734), (1452, 144628), (1672, 125598), (1903, 110352), (1936, 108471), (2076, 101156), (2299, 91344), (2508, 83732), (2662, 78888), (2768, 75867), (2904, 72314), (3287, 63888), (3344, 62799), (3806, 55176), (3993, 52592), (4152, 50578), (4598, 45672), (5016, 41866), (5324, 39444), (5709, 36784), (5808, 36157), (6574, 31944), (6897, 30448), (7612, 27588), (7986, 26296), (8304, 25289), (9196, 22836), (9861, 21296), (10032, 20933), (10648, 19722), (11418, 18392), (13148, 15972), (13794, 15224)]