138999280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{601}}^1$

素因数の和:687

約数の個数: 120

約数和(自身を含む): 382944240

約数和(自身を除く): 243944960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 59, 70, 80, 98, 112, 118, 140, 196, 236, 245, 280, 295, 392, 413, 472, 490, 560, 590, 601, 784, 826, 944, 980, 1180, 1202, 1652, 1960, 2065, 2360, 2404, 2891, 3005, 3304, 3920, 4130, 4207, 4720, 4808, 5782, 6010, 6608, 8260, 8414, 9616, 11564, 12020, 14455, 16520, 16828, 21035, 23128, 24040, 28910, 29449, 33040, 33656, 35459, 42070, 46256, 48080, 57820, 58898, 67312, 70918, 84140, 115640, 117796, 141836, 147245, 168280, 177295, 231280, 235592, 248213, 283672, 294490, 336560, 354590, 471184, 496426, 567344, 588980, 709180, 992852, 1177960, 1241065, 1418360, 1737491, 1985704, 2355920, 2482130, 2836720, 3474982, 3971408, 4964260, 6949964, 8687455, 9928520, 13899928, 17374910, 19857040, 27799856, 34749820, 69499640, 138999280]

約数ペア:

[(1, 138999280), (2, 69499640), (4, 34749820), (5, 27799856), (7, 19857040), (8, 17374910), (10, 13899928), (14, 9928520), (16, 8687455), (20, 6949964), (28, 4964260), (35, 3971408), (40, 3474982), (49, 2836720), (56, 2482130), (59, 2355920), (70, 1985704), (80, 1737491), (98, 1418360), (112, 1241065), (118, 1177960), (140, 992852), (196, 709180), (236, 588980), (245, 567344), (280, 496426), (295, 471184), (392, 354590), (413, 336560), (472, 294490), (490, 283672), (560, 248213), (590, 235592), (601, 231280), (784, 177295), (826, 168280), (944, 147245), (980, 141836), (1180, 117796), (1202, 115640), (1652, 84140), (1960, 70918), (2065, 67312), (2360, 58898), (2404, 57820), (2891, 48080), (3005, 46256), (3304, 42070), (3920, 35459), (4130, 33656), (4207, 33040), (4720, 29449), (4808, 28910), (5782, 24040), (6010, 23128), (6608, 21035), (8260, 16828), (8414, 16520), (9616, 14455), (11564, 12020)]