284871440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1657}}^1$

素因数の和:1984

約数の個数: 80

約数和(自身を含む): 759868032

約数和(自身を除く): 474996592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 307, 560, 614, 1228, 1535, 1657, 2149, 2456, 3070, 3314, 4298, 4912, 6140, 6628, 8285, 8596, 10745, 11599, 12280, 13256, 16570, 17192, 21490, 23198, 24560, 26512, 33140, 34384, 42980, 46396, 57995, 66280, 85960, 92792, 115990, 132560, 171920, 185584, 231980, 463960, 508699, 927920, 1017398, 2034796, 2543495, 3560893, 4069592, 5086990, 7121786, 8139184, 10173980, 14243572, 17804465, 20347960, 28487144, 35608930, 40695920, 56974288, 71217860, 142435720, 284871440]

約数ペア:

[(1, 284871440), (2, 142435720), (4, 71217860), (5, 56974288), (7, 40695920), (8, 35608930), (10, 28487144), (14, 20347960), (16, 17804465), (20, 14243572), (28, 10173980), (35, 8139184), (40, 7121786), (56, 5086990), (70, 4069592), (80, 3560893), (112, 2543495), (140, 2034796), (280, 1017398), (307, 927920), (560, 508699), (614, 463960), (1228, 231980), (1535, 185584), (1657, 171920), (2149, 132560), (2456, 115990), (3070, 92792), (3314, 85960), (4298, 66280), (4912, 57995), (6140, 46396), (6628, 42980), (8285, 34384), (8596, 33140), (10745, 26512), (11599, 24560), (12280, 23198), (13256, 21490), (16570, 17192)]