207490640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19501}}^1$

素因数の和:19540

約数の個数: 80

約数和(自身を含む): 580379520

約数和(自身を除く): 372888880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 19501, 39002, 78004, 97505, 136507, 156008, 195010, 273014, 312016, 370519, 390020, 546028, 682535, 741038, 780040, 1092056, 1365070, 1482076, 1560080, 1852595, 2184112, 2593633, 2730140, 2964152, 3705190, 5187266, 5460280, 5928304, 7410380, 10374532, 10920560, 12968165, 14820760, 20749064, 25936330, 29641520, 41498128, 51872660, 103745320, 207490640]

約数ペア:

[(1, 207490640), (2, 103745320), (4, 51872660), (5, 41498128), (7, 29641520), (8, 25936330), (10, 20749064), (14, 14820760), (16, 12968165), (19, 10920560), (20, 10374532), (28, 7410380), (35, 5928304), (38, 5460280), (40, 5187266), (56, 3705190), (70, 2964152), (76, 2730140), (80, 2593633), (95, 2184112), (112, 1852595), (133, 1560080), (140, 1482076), (152, 1365070), (190, 1092056), (266, 780040), (280, 741038), (304, 682535), (380, 546028), (532, 390020), (560, 370519), (665, 312016), (760, 273014), (1064, 195010), (1330, 156008), (1520, 136507), (2128, 97505), (2660, 78004), (5320, 39002), (10640, 19501)]