149782700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2607

約数の個数: 72

約数和(自身を含む): 353310720

約数和(自身を除く): 203528020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 775, 950, 1178, 1550, 1900, 2356, 2543, 2945, 3100, 5086, 5890, 10172, 11780, 12715, 14725, 25430, 29450, 48317, 50860, 58900, 63575, 78833, 96634, 127150, 157666, 193268, 241585, 254300, 315332, 394165, 483170, 788330, 966340, 1207925, 1497827, 1576660, 1970825, 2415850, 2995654, 3941650, 4831700, 5991308, 7489135, 7883300, 14978270, 29956540, 37445675, 74891350, 149782700]

約数ペア:

[(1, 149782700), (2, 74891350), (4, 37445675), (5, 29956540), (10, 14978270), (19, 7883300), (20, 7489135), (25, 5991308), (31, 4831700), (38, 3941650), (50, 2995654), (62, 2415850), (76, 1970825), (95, 1576660), (100, 1497827), (124, 1207925), (155, 966340), (190, 788330), (310, 483170), (380, 394165), (475, 315332), (589, 254300), (620, 241585), (775, 193268), (950, 157666), (1178, 127150), (1550, 96634), (1900, 78833), (2356, 63575), (2543, 58900), (2945, 50860), (3100, 48317), (5086, 29450), (5890, 25430), (10172, 14725), (11780, 12715)]