285353780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{4783}}^1$

素因数の和:4968

約数の個数: 48

約数和(自身を含む): 634932480

約数和(自身を除く): 349578700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 628, 785, 1570, 2983, 3140, 4783, 5966, 9566, 11932, 14915, 19132, 23915, 29830, 47830, 59660, 90877, 95660, 181754, 363508, 454385, 750931, 908770, 1501862, 1817540, 3003724, 3754655, 7509310, 14267689, 15018620, 28535378, 57070756, 71338445, 142676890, 285353780]

約数ペア:

[(1, 285353780), (2, 142676890), (4, 71338445), (5, 57070756), (10, 28535378), (19, 15018620), (20, 14267689), (38, 7509310), (76, 3754655), (95, 3003724), (157, 1817540), (190, 1501862), (314, 908770), (380, 750931), (628, 454385), (785, 363508), (1570, 181754), (2983, 95660), (3140, 90877), (4783, 59660), (5966, 47830), (9566, 29830), (11932, 23915), (14915, 19132)]