399706160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11701}}^1$

素因数の和:11782

約数の個数: 80

約数和(自身を含む): 1079579712

約数和(自身を除く): 679873552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2440, 3416, 4270, 4880, 6832, 8540, 11701, 17080, 23402, 34160, 46804, 58505, 81907, 93608, 117010, 163814, 187216, 234020, 327628, 409535, 468040, 655256, 713761, 819070, 936080, 1310512, 1427522, 1638140, 2855044, 3276280, 3568805, 4996327, 5710088, 6552560, 7137610, 9992654, 11420176, 14275220, 19985308, 24981635, 28550440, 39970616, 49963270, 57100880, 79941232, 99926540, 199853080, 399706160]

約数ペア:

[(1, 399706160), (2, 199853080), (4, 99926540), (5, 79941232), (7, 57100880), (8, 49963270), (10, 39970616), (14, 28550440), (16, 24981635), (20, 19985308), (28, 14275220), (35, 11420176), (40, 9992654), (56, 7137610), (61, 6552560), (70, 5710088), (80, 4996327), (112, 3568805), (122, 3276280), (140, 2855044), (244, 1638140), (280, 1427522), (305, 1310512), (427, 936080), (488, 819070), (560, 713761), (610, 655256), (854, 468040), (976, 409535), (1220, 327628), (1708, 234020), (2135, 187216), (2440, 163814), (3416, 117010), (4270, 93608), (4880, 81907), (6832, 58505), (8540, 46804), (11701, 34160), (17080, 23402)]