99156520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 228096000

約数和(自身を除く): 128939480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 131, 149, 254, 262, 298, 508, 524, 596, 635, 655, 745, 1016, 1048, 1192, 1270, 1310, 1490, 2540, 2620, 2980, 5080, 5240, 5960, 16637, 18923, 19519, 33274, 37846, 39038, 66548, 75692, 78076, 83185, 94615, 97595, 133096, 151384, 156152, 166370, 189230, 195190, 332740, 378460, 390380, 665480, 756920, 780760, 2478913, 4957826, 9915652, 12394565, 19831304, 24789130, 49578260, 99156520]

約数ペア:

[(1, 99156520), (2, 49578260), (4, 24789130), (5, 19831304), (8, 12394565), (10, 9915652), (20, 4957826), (40, 2478913), (127, 780760), (131, 756920), (149, 665480), (254, 390380), (262, 378460), (298, 332740), (508, 195190), (524, 189230), (596, 166370), (635, 156152), (655, 151384), (745, 133096), (1016, 97595), (1048, 94615), (1192, 83185), (1270, 78076), (1310, 75692), (1490, 66548), (2540, 39038), (2620, 37846), (2980, 33274), (5080, 19519), (5240, 18923), (5960, 16637)]