394535450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{769}}^1$

素因数の和:1143

約数の個数: 48

約数和(自身を含む): 760784640

約数和(自身を除く): 366249190

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 331, 662, 769, 775, 1538, 1550, 1655, 3310, 3845, 7690, 8275, 10261, 16550, 19225, 20522, 23839, 38450, 47678, 51305, 102610, 119195, 238390, 254539, 256525, 509078, 513050, 595975, 1191950, 1272695, 2545390, 6363475, 7890709, 12726950, 15781418, 39453545, 78907090, 197267725, 394535450]

約数ペア:

[(1, 394535450), (2, 197267725), (5, 78907090), (10, 39453545), (25, 15781418), (31, 12726950), (50, 7890709), (62, 6363475), (155, 2545390), (310, 1272695), (331, 1191950), (662, 595975), (769, 513050), (775, 509078), (1538, 256525), (1550, 254539), (1655, 238390), (3310, 119195), (3845, 102610), (7690, 51305), (8275, 47678), (10261, 38450), (16550, 23839), (19225, 20522)]