438170320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:309

約数の個数: 160

約数和(自身を含む): 1204494336

約数和(自身を除く): 766324016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 101, 112, 122, 127, 140, 202, 244, 254, 280, 305, 404, 427, 488, 505, 508, 560, 610, 635, 707, 808, 854, 889, 976, 1010, 1016, 1220, 1270, 1414, 1616, 1708, 1778, 2020, 2032, 2135, 2440, 2540, 2828, 3416, 3535, 3556, 4040, 4270, 4445, 4880, 5080, 5656, 6161, 6832, 7070, 7112, 7747, 8080, 8540, 8890, 10160, 11312, 12322, 12827, 14140, 14224, 15494, 17080, 17780, 24644, 25654, 28280, 30805, 30988, 34160, 35560, 38735, 43127, 49288, 51308, 54229, 56560, 61610, 61976, 64135, 71120, 77470, 86254, 89789, 98576, 102616, 108458, 123220, 123952, 128270, 154940, 172508, 179578, 205232, 215635, 216916, 246440, 256540, 271145, 309880, 345016, 359156, 431270, 433832, 448945, 492880, 513080, 542290, 619760, 690032, 718312, 782447, 862540, 867664, 897890, 1026160, 1084580, 1436624, 1564894, 1725080, 1795780, 2169160, 3129788, 3450160, 3591560, 3912235, 4338320, 5477129, 6259576, 7183120, 7824470, 10954258, 12519152, 15648940, 21908516, 27385645, 31297880, 43817032, 54771290, 62595760, 87634064, 109542580, 219085160, 438170320]

約数ペア:

[(1, 438170320), (2, 219085160), (4, 109542580), (5, 87634064), (7, 62595760), (8, 54771290), (10, 43817032), (14, 31297880), (16, 27385645), (20, 21908516), (28, 15648940), (35, 12519152), (40, 10954258), (56, 7824470), (61, 7183120), (70, 6259576), (80, 5477129), (101, 4338320), (112, 3912235), (122, 3591560), (127, 3450160), (140, 3129788), (202, 2169160), (244, 1795780), (254, 1725080), (280, 1564894), (305, 1436624), (404, 1084580), (427, 1026160), (488, 897890), (505, 867664), (508, 862540), (560, 782447), (610, 718312), (635, 690032), (707, 619760), (808, 542290), (854, 513080), (889, 492880), (976, 448945), (1010, 433832), (1016, 431270), (1220, 359156), (1270, 345016), (1414, 309880), (1616, 271145), (1708, 256540), (1778, 246440), (2020, 216916), (2032, 215635), (2135, 205232), (2440, 179578), (2540, 172508), (2828, 154940), (3416, 128270), (3535, 123952), (3556, 123220), (4040, 108458), (4270, 102616), (4445, 98576), (4880, 89789), (5080, 86254), (5656, 77470), (6161, 71120), (6832, 64135), (7070, 61976), (7112, 61610), (7747, 56560), (8080, 54229), (8540, 51308), (8890, 49288), (10160, 43127), (11312, 38735), (12322, 35560), (12827, 34160), (14140, 30988), (14224, 30805), (15494, 28280), (17080, 25654), (17780, 24644)]