355969280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8971}}^1$

素因数の和:9023

約数の個数: 72

約数和(自身を含む): 880260864

約数和(自身を除く): 524291584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 8971, 9920, 17942, 19840, 35884, 39680, 44855, 71768, 89710, 143536, 179420, 278101, 287072, 358840, 556202, 574144, 717680, 1112404, 1148288, 1390505, 1435360, 2224808, 2296576, 2781010, 2870720, 4449616, 5562020, 5741440, 8899232, 11124040, 11482880, 17798464, 22248080, 35596928, 44496160, 71193856, 88992320, 177984640, 355969280]

約数ペア:

[(1, 355969280), (2, 177984640), (4, 88992320), (5, 71193856), (8, 44496160), (10, 35596928), (16, 22248080), (20, 17798464), (31, 11482880), (32, 11124040), (40, 8899232), (62, 5741440), (64, 5562020), (80, 4449616), (124, 2870720), (128, 2781010), (155, 2296576), (160, 2224808), (248, 1435360), (256, 1390505), (310, 1148288), (320, 1112404), (496, 717680), (620, 574144), (640, 556202), (992, 358840), (1240, 287072), (1280, 278101), (1984, 179420), (2480, 143536), (3968, 89710), (4960, 71768), (7936, 44855), (8971, 39680), (9920, 35884), (17942, 19840)]