238773470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 481904640

約数和(自身を除く): 243131170

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 179, 310, 331, 358, 403, 662, 806, 895, 1655, 1790, 2015, 2327, 3310, 4030, 4303, 4654, 5549, 8606, 10261, 11098, 11635, 20522, 21515, 23270, 27745, 43030, 51305, 55490, 59249, 72137, 102610, 118498, 133393, 144274, 266786, 296245, 360685, 592490, 666965, 721370, 770237, 1333930, 1540474, 1836719, 3673438, 3851185, 7702370, 9183595, 18367190, 23877347, 47754694, 119386735, 238773470]

約数ペア:

[(1, 238773470), (2, 119386735), (5, 47754694), (10, 23877347), (13, 18367190), (26, 9183595), (31, 7702370), (62, 3851185), (65, 3673438), (130, 1836719), (155, 1540474), (179, 1333930), (310, 770237), (331, 721370), (358, 666965), (403, 592490), (662, 360685), (806, 296245), (895, 266786), (1655, 144274), (1790, 133393), (2015, 118498), (2327, 102610), (3310, 72137), (4030, 59249), (4303, 55490), (4654, 51305), (5549, 43030), (8606, 27745), (10261, 23270), (11098, 21515), (11635, 20522)]