348341720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1\times {\mathrm{389}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 800841600

約数和(自身を除く): 452499880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 367, 389, 488, 610, 734, 778, 1220, 1468, 1556, 1835, 1945, 2440, 2936, 3112, 3670, 3890, 7340, 7780, 14680, 15560, 22387, 23729, 44774, 47458, 89548, 94916, 111935, 118645, 142763, 179096, 189832, 223870, 237290, 285526, 447740, 474580, 571052, 713815, 895480, 949160, 1142104, 1427630, 2855260, 5710520, 8708543, 17417086, 34834172, 43542715, 69668344, 87085430, 174170860, 348341720]

約数ペア:

[(1, 348341720), (2, 174170860), (4, 87085430), (5, 69668344), (8, 43542715), (10, 34834172), (20, 17417086), (40, 8708543), (61, 5710520), (122, 2855260), (244, 1427630), (305, 1142104), (367, 949160), (389, 895480), (488, 713815), (610, 571052), (734, 474580), (778, 447740), (1220, 285526), (1468, 237290), (1556, 223870), (1835, 189832), (1945, 179096), (2440, 142763), (2936, 118645), (3112, 111935), (3670, 94916), (3890, 89548), (7340, 47458), (7780, 44774), (14680, 23729), (15560, 22387)]