221643520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:910

約数の個数: 144

約数和(自身を含む): 628407360

約数和(自身を除く): 406763840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 203, 224, 232, 256, 280, 290, 320, 406, 448, 464, 560, 580, 640, 812, 853, 896, 928, 1015, 1120, 1160, 1280, 1624, 1706, 1792, 1856, 2030, 2240, 2320, 3248, 3412, 3712, 4060, 4265, 4480, 4640, 5971, 6496, 6824, 7424, 8120, 8530, 8960, 9280, 11942, 12992, 13648, 16240, 17060, 18560, 23884, 24737, 25984, 27296, 29855, 32480, 34120, 37120, 47768, 49474, 51968, 54592, 59710, 64960, 68240, 95536, 98948, 109184, 119420, 123685, 129920, 136480, 173159, 191072, 197896, 218368, 238840, 247370, 259840, 272960, 346318, 382144, 395792, 477680, 494740, 545920, 692636, 764288, 791584, 865795, 955360, 989480, 1091840, 1385272, 1528576, 1583168, 1731590, 1910720, 1978960, 2770544, 3166336, 3463180, 3821440, 3957920, 5541088, 6332672, 6926360, 7642880, 7915840, 11082176, 13852720, 15831680, 22164352, 27705440, 31663360, 44328704, 55410880, 110821760, 221643520]

約数ペア:

[(1, 221643520), (2, 110821760), (4, 55410880), (5, 44328704), (7, 31663360), (8, 27705440), (10, 22164352), (14, 15831680), (16, 13852720), (20, 11082176), (28, 7915840), (29, 7642880), (32, 6926360), (35, 6332672), (40, 5541088), (56, 3957920), (58, 3821440), (64, 3463180), (70, 3166336), (80, 2770544), (112, 1978960), (116, 1910720), (128, 1731590), (140, 1583168), (145, 1528576), (160, 1385272), (203, 1091840), (224, 989480), (232, 955360), (256, 865795), (280, 791584), (290, 764288), (320, 692636), (406, 545920), (448, 494740), (464, 477680), (560, 395792), (580, 382144), (640, 346318), (812, 272960), (853, 259840), (896, 247370), (928, 238840), (1015, 218368), (1120, 197896), (1160, 191072), (1280, 173159), (1624, 136480), (1706, 129920), (1792, 123685), (1856, 119420), (2030, 109184), (2240, 98948), (2320, 95536), (3248, 68240), (3412, 64960), (3712, 59710), (4060, 54592), (4265, 51968), (4480, 49474), (4640, 47768), (5971, 37120), (6496, 34120), (6824, 32480), (7424, 29855), (8120, 27296), (8530, 25984), (8960, 24737), (9280, 23884), (11942, 18560), (12992, 17060), (13648, 16240)]