305440360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2861}}^1$

素因数の和:3046

約数の個数: 64

約数和(自身を含む): 732557520

約数和(自身を除く): 427117160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 157, 170, 314, 340, 628, 680, 785, 1256, 1570, 2669, 2861, 3140, 5338, 5722, 6280, 10676, 11444, 13345, 14305, 21352, 22888, 26690, 28610, 48637, 53380, 57220, 97274, 106760, 114440, 194548, 243185, 389096, 449177, 486370, 898354, 972740, 1796708, 1945480, 2245885, 3593416, 4491770, 7636009, 8983540, 15272018, 17967080, 30544036, 38180045, 61088072, 76360090, 152720180, 305440360]

約数ペア:

[(1, 305440360), (2, 152720180), (4, 76360090), (5, 61088072), (8, 38180045), (10, 30544036), (17, 17967080), (20, 15272018), (34, 8983540), (40, 7636009), (68, 4491770), (85, 3593416), (136, 2245885), (157, 1945480), (170, 1796708), (314, 972740), (340, 898354), (628, 486370), (680, 449177), (785, 389096), (1256, 243185), (1570, 194548), (2669, 114440), (2861, 106760), (3140, 97274), (5338, 57220), (5722, 53380), (6280, 48637), (10676, 28610), (11444, 26690), (13345, 22888), (14305, 21352)]