133464920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2909}}^1$

素因数の和:2988

約数の個数: 64

約数和(自身を含む): 318470400

約数和(自身を除く): 185005480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 2909, 4588, 5735, 5818, 9176, 11470, 11636, 14545, 22940, 23272, 29090, 45880, 58180, 90179, 107633, 116360, 180358, 215266, 360716, 430532, 450895, 538165, 721432, 861064, 901790, 1076330, 1803580, 2152660, 3336623, 3607160, 4305320, 6673246, 13346492, 16683115, 26692984, 33366230, 66732460, 133464920]

約数ペア:

[(1, 133464920), (2, 66732460), (4, 33366230), (5, 26692984), (8, 16683115), (10, 13346492), (20, 6673246), (31, 4305320), (37, 3607160), (40, 3336623), (62, 2152660), (74, 1803580), (124, 1076330), (148, 901790), (155, 861064), (185, 721432), (248, 538165), (296, 450895), (310, 430532), (370, 360716), (620, 215266), (740, 180358), (1147, 116360), (1240, 107633), (1480, 90179), (2294, 58180), (2909, 45880), (4588, 29090), (5735, 23272), (5818, 22940), (9176, 14545), (11470, 11636)]