239791820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{10453}}^1$

素因数の和:10530

約数の個数: 48

約数和(自身を含む): 533906688

約数和(自身を除く): 294114868

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 4588, 5735, 10453, 11470, 20906, 22940, 41812, 52265, 104530, 209060, 324043, 386761, 648086, 773522, 1296172, 1547044, 1620215, 1933805, 3240430, 3867610, 6480860, 7735220, 11989591, 23979182, 47958364, 59947955, 119895910, 239791820]

約数ペア:

[(1, 239791820), (2, 119895910), (4, 59947955), (5, 47958364), (10, 23979182), (20, 11989591), (31, 7735220), (37, 6480860), (62, 3867610), (74, 3240430), (124, 1933805), (148, 1620215), (155, 1547044), (185, 1296172), (310, 773522), (370, 648086), (620, 386761), (740, 324043), (1147, 209060), (2294, 104530), (4588, 52265), (5735, 41812), (10453, 22940), (11470, 20906)]