217176080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:493

約数の個数: 160

約数和(自身を含む): 599961600

約数和(自身を除く): 382785520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 80, 88, 95, 110, 124, 152, 155, 176, 190, 209, 220, 248, 304, 310, 341, 380, 418, 419, 440, 496, 589, 620, 682, 760, 836, 838, 880, 1045, 1178, 1240, 1364, 1520, 1672, 1676, 1705, 2090, 2095, 2356, 2480, 2728, 2945, 3344, 3352, 3410, 4180, 4190, 4609, 4712, 5456, 5890, 6479, 6704, 6820, 7961, 8360, 8380, 9218, 9424, 11780, 12958, 12989, 13640, 15922, 16720, 16760, 18436, 23045, 23560, 25916, 25978, 27280, 31844, 32395, 33520, 36872, 39805, 46090, 47120, 51832, 51956, 63688, 64790, 64945, 73744, 79610, 87571, 92180, 103664, 103912, 127376, 129580, 129890, 142879, 159220, 175142, 184360, 207824, 246791, 259160, 259780, 285758, 318440, 350284, 368720, 437855, 493582, 518320, 519560, 571516, 636880, 700568, 714395, 875710, 987164, 1039120, 1143032, 1233955, 1401136, 1428790, 1751420, 1974328, 2286064, 2467910, 2714701, 2857580, 3502840, 3948656, 4935820, 5429402, 5715160, 7005680, 9871640, 10858804, 11430320, 13573505, 19743280, 21717608, 27147010, 43435216, 54294020, 108588040, 217176080]

約数ペア:

[(1, 217176080), (2, 108588040), (4, 54294020), (5, 43435216), (8, 27147010), (10, 21717608), (11, 19743280), (16, 13573505), (19, 11430320), (20, 10858804), (22, 9871640), (31, 7005680), (38, 5715160), (40, 5429402), (44, 4935820), (55, 3948656), (62, 3502840), (76, 2857580), (80, 2714701), (88, 2467910), (95, 2286064), (110, 1974328), (124, 1751420), (152, 1428790), (155, 1401136), (176, 1233955), (190, 1143032), (209, 1039120), (220, 987164), (248, 875710), (304, 714395), (310, 700568), (341, 636880), (380, 571516), (418, 519560), (419, 518320), (440, 493582), (496, 437855), (589, 368720), (620, 350284), (682, 318440), (760, 285758), (836, 259780), (838, 259160), (880, 246791), (1045, 207824), (1178, 184360), (1240, 175142), (1364, 159220), (1520, 142879), (1672, 129890), (1676, 129580), (1705, 127376), (2090, 103912), (2095, 103664), (2356, 92180), (2480, 87571), (2728, 79610), (2945, 73744), (3344, 64945), (3352, 64790), (3410, 63688), (4180, 51956), (4190, 51832), (4609, 47120), (4712, 46090), (5456, 39805), (5890, 36872), (6479, 33520), (6704, 32395), (6820, 31844), (7961, 27280), (8360, 25978), (8380, 25916), (9218, 23560), (9424, 23045), (11780, 18436), (12958, 16760), (12989, 16720), (13640, 15922)]