128038900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 330728832

約数和(自身を除く): 202689932

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 41, 44, 50, 55, 68, 82, 85, 100, 110, 164, 167, 170, 187, 205, 220, 275, 334, 340, 374, 410, 425, 451, 550, 668, 697, 748, 820, 835, 850, 902, 935, 1025, 1100, 1394, 1670, 1700, 1804, 1837, 1870, 2050, 2255, 2788, 2839, 3340, 3485, 3674, 3740, 4100, 4175, 4510, 4675, 5678, 6847, 6970, 7348, 7667, 8350, 9020, 9185, 9350, 11275, 11356, 13694, 13940, 14195, 15334, 16700, 17425, 18370, 18700, 22550, 27388, 28390, 30668, 31229, 34235, 34850, 36740, 38335, 45100, 45925, 56780, 62458, 68470, 69700, 70975, 75317, 76670, 91850, 116399, 124916, 136940, 141950, 150634, 153340, 156145, 171175, 183700, 191675, 232798, 283900, 301268, 312290, 342350, 376585, 383350, 465596, 581995, 624580, 684700, 753170, 766700, 780725, 1163990, 1280389, 1506340, 1561450, 1882925, 2327980, 2560778, 2909975, 3122900, 3765850, 5121556, 5819950, 6401945, 7531700, 11639900, 12803890, 25607780, 32009725, 64019450, 128038900]

約数ペア:

[(1, 128038900), (2, 64019450), (4, 32009725), (5, 25607780), (10, 12803890), (11, 11639900), (17, 7531700), (20, 6401945), (22, 5819950), (25, 5121556), (34, 3765850), (41, 3122900), (44, 2909975), (50, 2560778), (55, 2327980), (68, 1882925), (82, 1561450), (85, 1506340), (100, 1280389), (110, 1163990), (164, 780725), (167, 766700), (170, 753170), (187, 684700), (205, 624580), (220, 581995), (275, 465596), (334, 383350), (340, 376585), (374, 342350), (410, 312290), (425, 301268), (451, 283900), (550, 232798), (668, 191675), (697, 183700), (748, 171175), (820, 156145), (835, 153340), (850, 150634), (902, 141950), (935, 136940), (1025, 124916), (1100, 116399), (1394, 91850), (1670, 76670), (1700, 75317), (1804, 70975), (1837, 69700), (1870, 68470), (2050, 62458), (2255, 56780), (2788, 45925), (2839, 45100), (3340, 38335), (3485, 36740), (3674, 34850), (3740, 34235), (4100, 31229), (4175, 30668), (4510, 28390), (4675, 27388), (5678, 22550), (6847, 18700), (6970, 18370), (7348, 17425), (7667, 16700), (8350, 15334), (9020, 14195), (9185, 13940), (9350, 13694), (11275, 11356)]