199171320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1097}}^1$

素因数の和:1217

約数の個数: 128

約数和(自身を含む): 640353600

約数和(自身を除く): 441182280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 89, 102, 120, 136, 170, 178, 204, 255, 267, 340, 356, 408, 445, 510, 534, 680, 712, 890, 1020, 1068, 1097, 1335, 1513, 1780, 2040, 2136, 2194, 2670, 3026, 3291, 3560, 4388, 4539, 5340, 5485, 6052, 6582, 7565, 8776, 9078, 10680, 10970, 12104, 13164, 15130, 16455, 18156, 18649, 21940, 22695, 26328, 30260, 32910, 36312, 37298, 43880, 45390, 55947, 60520, 65820, 74596, 90780, 93245, 97633, 111894, 131640, 149192, 181560, 186490, 195266, 223788, 279735, 292899, 372980, 390532, 447576, 488165, 559470, 585798, 745960, 781064, 976330, 1118940, 1171596, 1464495, 1659761, 1952660, 2237880, 2343192, 2928990, 3319522, 3905320, 4979283, 5857980, 6639044, 8298805, 9958566, 11715960, 13278088, 16597610, 19917132, 24896415, 33195220, 39834264, 49792830, 66390440, 99585660, 199171320]

約数ペア:

[(1, 199171320), (2, 99585660), (3, 66390440), (4, 49792830), (5, 39834264), (6, 33195220), (8, 24896415), (10, 19917132), (12, 16597610), (15, 13278088), (17, 11715960), (20, 9958566), (24, 8298805), (30, 6639044), (34, 5857980), (40, 4979283), (51, 3905320), (60, 3319522), (68, 2928990), (85, 2343192), (89, 2237880), (102, 1952660), (120, 1659761), (136, 1464495), (170, 1171596), (178, 1118940), (204, 976330), (255, 781064), (267, 745960), (340, 585798), (356, 559470), (408, 488165), (445, 447576), (510, 390532), (534, 372980), (680, 292899), (712, 279735), (890, 223788), (1020, 195266), (1068, 186490), (1097, 181560), (1335, 149192), (1513, 131640), (1780, 111894), (2040, 97633), (2136, 93245), (2194, 90780), (2670, 74596), (3026, 65820), (3291, 60520), (3560, 55947), (4388, 45390), (4539, 43880), (5340, 37298), (5485, 36312), (6052, 32910), (6582, 30260), (7565, 26328), (8776, 22695), (9078, 21940), (10680, 18649), (10970, 18156), (12104, 16455), (13164, 15130)]