30356620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7477}}^1$

素因数の和:7522

約数の個数: 48

約数和(自身を含む): 75378240

約数和(自身を除く): 45021620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 7477, 14954, 29908, 37385, 52339, 74770, 104678, 149540, 209356, 216833, 261695, 433666, 523390, 867332, 1046780, 1084165, 1517831, 2168330, 3035662, 4336660, 6071324, 7589155, 15178310, 30356620]

約数ペア:

[(1, 30356620), (2, 15178310), (4, 7589155), (5, 6071324), (7, 4336660), (10, 3035662), (14, 2168330), (20, 1517831), (28, 1084165), (29, 1046780), (35, 867332), (58, 523390), (70, 433666), (116, 261695), (140, 216833), (145, 209356), (203, 149540), (290, 104678), (406, 74770), (580, 52339), (812, 37385), (1015, 29908), (2030, 14954), (4060, 7477)]