84159850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 160811136

約数和(自身を除く): 76651286

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 151, 157, 302, 314, 355, 710, 755, 785, 1510, 1570, 1775, 3550, 3775, 3925, 7550, 7850, 10721, 11147, 21442, 22294, 23707, 47414, 53605, 55735, 107210, 111470, 118535, 237070, 268025, 278675, 536050, 557350, 592675, 1185350, 1683197, 3366394, 8415985, 16831970, 42079925, 84159850]

約数ペア:

[(1, 84159850), (2, 42079925), (5, 16831970), (10, 8415985), (25, 3366394), (50, 1683197), (71, 1185350), (142, 592675), (151, 557350), (157, 536050), (302, 278675), (314, 268025), (355, 237070), (710, 118535), (755, 111470), (785, 107210), (1510, 55735), (1570, 53605), (1775, 47414), (3550, 23707), (3775, 22294), (3925, 21442), (7550, 11147), (7850, 10721)]