2971100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 7322448

約数和(自身を除く): 4351348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 50, 55, 73, 74, 100, 110, 146, 148, 185, 220, 275, 292, 365, 370, 407, 550, 730, 740, 803, 814, 925, 1100, 1460, 1606, 1628, 1825, 1850, 2035, 2701, 3212, 3650, 3700, 4015, 4070, 5402, 7300, 8030, 8140, 10175, 10804, 13505, 16060, 20075, 20350, 27010, 29711, 40150, 40700, 54020, 59422, 67525, 80300, 118844, 135050, 148555, 270100, 297110, 594220, 742775, 1485550, 2971100]

約数ペア:

[(1, 2971100), (2, 1485550), (4, 742775), (5, 594220), (10, 297110), (11, 270100), (20, 148555), (22, 135050), (25, 118844), (37, 80300), (44, 67525), (50, 59422), (55, 54020), (73, 40700), (74, 40150), (100, 29711), (110, 27010), (146, 20350), (148, 20075), (185, 16060), (220, 13505), (275, 10804), (292, 10175), (365, 8140), (370, 8030), (407, 7300), (550, 5402), (730, 4070), (740, 4015), (803, 3700), (814, 3650), (925, 3212), (1100, 2701), (1460, 2035), (1606, 1850), (1628, 1825)]