31131350

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 60197040

約数和(自身を除く): 29065690

約数列:

[1, 2, 5, 10, 25, 50, 59, 61, 118, 122, 173, 295, 305, 346, 590, 610, 865, 1475, 1525, 1730, 2950, 3050, 3599, 4325, 7198, 8650, 10207, 10553, 17995, 20414, 21106, 35990, 51035, 52765, 89975, 102070, 105530, 179950, 255175, 263825, 510350, 527650, 622627, 1245254, 3113135, 6226270, 15565675, 31131350]

約数ペア:

[(1, 31131350), (2, 15565675), (5, 6226270), (10, 3113135), (25, 1245254), (50, 622627), (59, 527650), (61, 510350), (118, 263825), (122, 255175), (173, 179950), (295, 105530), (305, 102070), (346, 89975), (590, 52765), (610, 51035), (865, 35990), (1475, 21106), (1525, 20414), (1730, 17995), (2950, 10553), (3050, 10207), (3599, 8650), (4325, 7198)]