290612960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{883}}^1$

素因数の和:937

約数の個数: 144

約数和(自身を含む): 799959888

約数和(自身を除く): 509346928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 160, 170, 176, 187, 220, 242, 272, 340, 352, 374, 440, 484, 544, 605, 680, 748, 880, 883, 935, 968, 1210, 1360, 1496, 1760, 1766, 1870, 1936, 2057, 2420, 2720, 2992, 3532, 3740, 3872, 4114, 4415, 4840, 5984, 7064, 7480, 8228, 8830, 9680, 9713, 10285, 14128, 14960, 15011, 16456, 17660, 19360, 19426, 20570, 28256, 29920, 30022, 32912, 35320, 38852, 41140, 48565, 60044, 65824, 70640, 75055, 77704, 82280, 97130, 106843, 120088, 141280, 150110, 155408, 164560, 165121, 194260, 213686, 240176, 300220, 310816, 329120, 330242, 388520, 427372, 480352, 534215, 600440, 660484, 777040, 825605, 854744, 1068430, 1200880, 1320968, 1554080, 1651210, 1709488, 1816331, 2136860, 2401760, 2641936, 3302420, 3418976, 3632662, 4273720, 5283872, 6604840, 7265324, 8547440, 9081655, 13209680, 14530648, 17094880, 18163310, 26419360, 29061296, 36326620, 58122592, 72653240, 145306480, 290612960]

約数ペア:

[(1, 290612960), (2, 145306480), (4, 72653240), (5, 58122592), (8, 36326620), (10, 29061296), (11, 26419360), (16, 18163310), (17, 17094880), (20, 14530648), (22, 13209680), (32, 9081655), (34, 8547440), (40, 7265324), (44, 6604840), (55, 5283872), (68, 4273720), (80, 3632662), (85, 3418976), (88, 3302420), (110, 2641936), (121, 2401760), (136, 2136860), (160, 1816331), (170, 1709488), (176, 1651210), (187, 1554080), (220, 1320968), (242, 1200880), (272, 1068430), (340, 854744), (352, 825605), (374, 777040), (440, 660484), (484, 600440), (544, 534215), (605, 480352), (680, 427372), (748, 388520), (880, 330242), (883, 329120), (935, 310816), (968, 300220), (1210, 240176), (1360, 213686), (1496, 194260), (1760, 165121), (1766, 164560), (1870, 155408), (1936, 150110), (2057, 141280), (2420, 120088), (2720, 106843), (2992, 97130), (3532, 82280), (3740, 77704), (3872, 75055), (4114, 70640), (4415, 65824), (4840, 60044), (5984, 48565), (7064, 41140), (7480, 38852), (8228, 35320), (8830, 32912), (9680, 30022), (9713, 29920), (10285, 28256), (14128, 20570), (14960, 19426), (15011, 19360), (16456, 17660)]