397613440

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:473

約数の個数: 192

約数和(自身を含む): 1144195200

約数和(自身を除く): 746581760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 392, 409, 434, 448, 490, 496, 560, 620, 640, 784, 818, 868, 896, 980, 992, 1085, 1120, 1240, 1519, 1568, 1636, 1736, 1960, 1984, 2045, 2170, 2240, 2480, 2863, 3038, 3136, 3272, 3472, 3920, 3968, 4090, 4340, 4480, 4960, 5726, 6076, 6272, 6544, 6944, 7595, 7840, 8180, 8680, 9920, 11452, 12152, 12679, 13088, 13888, 14315, 15190, 15680, 16360, 17360, 19840, 20041, 22904, 24304, 25358, 26176, 27776, 28630, 30380, 31360, 32720, 34720, 40082, 45808, 48608, 50716, 52352, 57260, 60760, 63395, 65440, 69440, 80164, 88753, 91616, 97216, 100205, 101432, 114520, 121520, 126790, 130880, 138880, 160328, 177506, 183232, 194432, 200410, 202864, 229040, 243040, 253580, 261760, 320656, 355012, 366464, 400820, 405728, 443765, 458080, 486080, 507160, 621271, 641312, 710024, 801640, 811456, 887530, 916160, 972160, 1014320, 1242542, 1282624, 1420048, 1603280, 1622912, 1775060, 1832320, 2028640, 2485084, 2565248, 2840096, 3106355, 3206560, 3550120, 4057280, 4970168, 5680192, 6212710, 6413120, 7100240, 8114560, 9940336, 11360384, 12425420, 12826240, 14200480, 19880672, 24850840, 28400960, 39761344, 49701680, 56801920, 79522688, 99403360, 198806720, 397613440]

約数ペア:

[(1, 397613440), (2, 198806720), (4, 99403360), (5, 79522688), (7, 56801920), (8, 49701680), (10, 39761344), (14, 28400960), (16, 24850840), (20, 19880672), (28, 14200480), (31, 12826240), (32, 12425420), (35, 11360384), (40, 9940336), (49, 8114560), (56, 7100240), (62, 6413120), (64, 6212710), (70, 5680192), (80, 4970168), (98, 4057280), (112, 3550120), (124, 3206560), (128, 3106355), (140, 2840096), (155, 2565248), (160, 2485084), (196, 2028640), (217, 1832320), (224, 1775060), (245, 1622912), (248, 1603280), (280, 1420048), (310, 1282624), (320, 1242542), (392, 1014320), (409, 972160), (434, 916160), (448, 887530), (490, 811456), (496, 801640), (560, 710024), (620, 641312), (640, 621271), (784, 507160), (818, 486080), (868, 458080), (896, 443765), (980, 405728), (992, 400820), (1085, 366464), (1120, 355012), (1240, 320656), (1519, 261760), (1568, 253580), (1636, 243040), (1736, 229040), (1960, 202864), (1984, 200410), (2045, 194432), (2170, 183232), (2240, 177506), (2480, 160328), (2863, 138880), (3038, 130880), (3136, 126790), (3272, 121520), (3472, 114520), (3920, 101432), (3968, 100205), (4090, 97216), (4340, 91616), (4480, 88753), (4960, 80164), (5726, 69440), (6076, 65440), (6272, 63395), (6544, 60760), (6944, 57260), (7595, 52352), (7840, 50716), (8180, 48608), (8680, 45808), (9920, 40082), (11452, 34720), (12152, 32720), (12679, 31360), (13088, 30380), (13888, 28630), (14315, 27776), (15190, 26176), (15680, 25358), (16360, 24304), (17360, 22904), (19840, 20041)]