199848320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1496

約数の個数: 128

約数和(自身を含む): 564019200

約数和(自身を除く): 364170880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1439, 1736, 1984, 2170, 2240, 2480, 2878, 3472, 3968, 4340, 4480, 4960, 5756, 6944, 7195, 8680, 9920, 10073, 11512, 13888, 14390, 17360, 19840, 20146, 23024, 27776, 28780, 34720, 40292, 44609, 46048, 50365, 57560, 69440, 80584, 89218, 92096, 100730, 115120, 138880, 161168, 178436, 184192, 201460, 223045, 230240, 312263, 322336, 356872, 402920, 446090, 460480, 624526, 644672, 713744, 805840, 892180, 920960, 1249052, 1289344, 1427488, 1561315, 1611680, 1784360, 2498104, 2854976, 3122630, 3223360, 3568720, 4996208, 5709952, 6245260, 6446720, 7137440, 9992416, 12490520, 14274880, 19984832, 24981040, 28549760, 39969664, 49962080, 99924160, 199848320]

約数ペア:

[(1, 199848320), (2, 99924160), (4, 49962080), (5, 39969664), (7, 28549760), (8, 24981040), (10, 19984832), (14, 14274880), (16, 12490520), (20, 9992416), (28, 7137440), (31, 6446720), (32, 6245260), (35, 5709952), (40, 4996208), (56, 3568720), (62, 3223360), (64, 3122630), (70, 2854976), (80, 2498104), (112, 1784360), (124, 1611680), (128, 1561315), (140, 1427488), (155, 1289344), (160, 1249052), (217, 920960), (224, 892180), (248, 805840), (280, 713744), (310, 644672), (320, 624526), (434, 460480), (448, 446090), (496, 402920), (560, 356872), (620, 322336), (640, 312263), (868, 230240), (896, 223045), (992, 201460), (1085, 184192), (1120, 178436), (1240, 161168), (1439, 138880), (1736, 115120), (1984, 100730), (2170, 92096), (2240, 89218), (2480, 80584), (2878, 69440), (3472, 57560), (3968, 50365), (4340, 46048), (4480, 44609), (4960, 40292), (5756, 34720), (6944, 28780), (7195, 27776), (8680, 23024), (9920, 20146), (10073, 19840), (11512, 17360), (13888, 14390)]