16257220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 40592664

約数和(自身を除く): 24335444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 313, 371, 490, 530, 626, 742, 980, 1060, 1252, 1484, 1565, 1855, 2191, 2597, 3130, 3710, 4382, 5194, 6260, 7420, 8764, 10388, 10955, 12985, 15337, 16589, 21910, 25970, 30674, 33178, 43820, 51940, 61348, 66356, 76685, 82945, 116123, 153370, 165890, 232246, 306740, 331780, 464492, 580615, 812861, 1161230, 1625722, 2322460, 3251444, 4064305, 8128610, 16257220]

約数ペア:

[(1, 16257220), (2, 8128610), (4, 4064305), (5, 3251444), (7, 2322460), (10, 1625722), (14, 1161230), (20, 812861), (28, 580615), (35, 464492), (49, 331780), (53, 306740), (70, 232246), (98, 165890), (106, 153370), (140, 116123), (196, 82945), (212, 76685), (245, 66356), (265, 61348), (313, 51940), (371, 43820), (490, 33178), (530, 30674), (626, 25970), (742, 21910), (980, 16589), (1060, 15337), (1252, 12985), (1484, 10955), (1565, 10388), (1855, 8764), (2191, 7420), (2597, 6260), (3130, 5194), (3710, 4382)]