399175840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11497}}^1$

素因数の和:11550

約数の個数: 96

約数和(自身を含む): 1112638464

約数和(自身を除く): 713462624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2480, 3472, 4340, 4960, 6944, 8680, 11497, 17360, 22994, 34720, 45988, 57485, 80479, 91976, 114970, 160958, 183952, 229940, 321916, 356407, 367904, 402395, 459880, 643832, 712814, 804790, 919760, 1287664, 1425628, 1609580, 1782035, 1839520, 2494849, 2575328, 2851256, 3219160, 3564070, 4989698, 5702512, 6438320, 7128140, 9979396, 11405024, 12474245, 12876640, 14256280, 19958792, 24948490, 28512560, 39917584, 49896980, 57025120, 79835168, 99793960, 199587920, 399175840]

約数ペア:

[(1, 399175840), (2, 199587920), (4, 99793960), (5, 79835168), (7, 57025120), (8, 49896980), (10, 39917584), (14, 28512560), (16, 24948490), (20, 19958792), (28, 14256280), (31, 12876640), (32, 12474245), (35, 11405024), (40, 9979396), (56, 7128140), (62, 6438320), (70, 5702512), (80, 4989698), (112, 3564070), (124, 3219160), (140, 2851256), (155, 2575328), (160, 2494849), (217, 1839520), (224, 1782035), (248, 1609580), (280, 1425628), (310, 1287664), (434, 919760), (496, 804790), (560, 712814), (620, 643832), (868, 459880), (992, 402395), (1085, 367904), (1120, 356407), (1240, 321916), (1736, 229940), (2170, 183952), (2480, 160958), (3472, 114970), (4340, 91976), (4960, 80479), (6944, 57485), (8680, 45988), (11497, 34720), (17360, 22994)]