740530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 32

約数和(自身を含む): 1555200

約数和(自身を除く): 814670

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 149, 298, 355, 497, 710, 745, 994, 1043, 1490, 2086, 2485, 4970, 5215, 10430, 10579, 21158, 52895, 74053, 105790, 148106, 370265, 740530]

約数ペア:

[(1, 740530), (2, 370265), (5, 148106), (7, 105790), (10, 74053), (14, 52895), (35, 21158), (70, 10579), (71, 10430), (142, 5215), (149, 4970), (298, 2485), (355, 2086), (497, 1490), (710, 1043), (745, 994)]