389620280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{81853}}^1$

素因数の和:81888

約数の個数: 64

約数和(自身を含む): 1060827840

約数和(自身を除く): 671207560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 81853, 163706, 327412, 409265, 572971, 654824, 818530, 1145942, 1391501, 1637060, 2291884, 2783002, 2864855, 3274120, 4583768, 5566004, 5729710, 6957505, 9740507, 11132008, 11459420, 13915010, 19481014, 22918840, 27830020, 38962028, 48702535, 55660040, 77924056, 97405070, 194810140, 389620280]

約数ペア:

[(1, 389620280), (2, 194810140), (4, 97405070), (5, 77924056), (7, 55660040), (8, 48702535), (10, 38962028), (14, 27830020), (17, 22918840), (20, 19481014), (28, 13915010), (34, 11459420), (35, 11132008), (40, 9740507), (56, 6957505), (68, 5729710), (70, 5566004), (85, 4583768), (119, 3274120), (136, 2864855), (140, 2783002), (170, 2291884), (238, 1637060), (280, 1391501), (340, 1145942), (476, 818530), (595, 654824), (680, 572971), (952, 409265), (1190, 327412), (2380, 163706), (4760, 81853)]