28771890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7211}}^1$

素因数の和:7247

約数の個数: 64

約数和(自身を含む): 83082240

約数和(自身を除く): 54310350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 7211, 14422, 21633, 36055, 43266, 50477, 72110, 100954, 108165, 137009, 151431, 216330, 252385, 274018, 302862, 411027, 504770, 685045, 757155, 822054, 959063, 1370090, 1514310, 1918126, 2055135, 2877189, 4110270, 4795315, 5754378, 9590630, 14385945, 28771890]

約数ペア:

[(1, 28771890), (2, 14385945), (3, 9590630), (5, 5754378), (6, 4795315), (7, 4110270), (10, 2877189), (14, 2055135), (15, 1918126), (19, 1514310), (21, 1370090), (30, 959063), (35, 822054), (38, 757155), (42, 685045), (57, 504770), (70, 411027), (95, 302862), (105, 274018), (114, 252385), (133, 216330), (190, 151431), (210, 137009), (266, 108165), (285, 100954), (399, 72110), (570, 50477), (665, 43266), (798, 36055), (1330, 21633), (1995, 14422), (3990, 7211)]