254665000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 628181730

約数和(自身を除く): 373516730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 53, 62, 100, 106, 124, 125, 155, 200, 212, 248, 250, 265, 310, 424, 500, 530, 620, 625, 775, 961, 1000, 1060, 1240, 1250, 1325, 1550, 1643, 1922, 2120, 2500, 2650, 3100, 3286, 3844, 3875, 4805, 5000, 5300, 6200, 6572, 6625, 7688, 7750, 8215, 9610, 10600, 13144, 13250, 15500, 16430, 19220, 19375, 24025, 26500, 31000, 32860, 33125, 38440, 38750, 41075, 48050, 50933, 53000, 65720, 66250, 77500, 82150, 96100, 101866, 120125, 132500, 155000, 164300, 192200, 203732, 205375, 240250, 254665, 265000, 328600, 407464, 410750, 480500, 509330, 600625, 821500, 961000, 1018660, 1026875, 1201250, 1273325, 1643000, 2037320, 2053750, 2402500, 2546650, 4107500, 4805000, 5093300, 6366625, 8215000, 10186600, 12733250, 25466500, 31833125, 50933000, 63666250, 127332500, 254665000]

約数ペア:

[(1, 254665000), (2, 127332500), (4, 63666250), (5, 50933000), (8, 31833125), (10, 25466500), (20, 12733250), (25, 10186600), (31, 8215000), (40, 6366625), (50, 5093300), (53, 4805000), (62, 4107500), (100, 2546650), (106, 2402500), (124, 2053750), (125, 2037320), (155, 1643000), (200, 1273325), (212, 1201250), (248, 1026875), (250, 1018660), (265, 961000), (310, 821500), (424, 600625), (500, 509330), (530, 480500), (620, 410750), (625, 407464), (775, 328600), (961, 265000), (1000, 254665), (1060, 240250), (1240, 205375), (1250, 203732), (1325, 192200), (1550, 164300), (1643, 155000), (1922, 132500), (2120, 120125), (2500, 101866), (2650, 96100), (3100, 82150), (3286, 77500), (3844, 66250), (3875, 65720), (4805, 53000), (5000, 50933), (5300, 48050), (6200, 41075), (6572, 38750), (6625, 38440), (7688, 33125), (7750, 32860), (8215, 31000), (9610, 26500), (10600, 24025), (13144, 19375), (13250, 19220), (15500, 16430)]