240250000

素因数分解:

$2^4\times 5^6\times {\mathrm{31}}^2$

素因数の和:100

約数の個数: 105

約数和(自身を含む): 601222773

約数和(自身を除く): 360972773

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 625, 775, 961, 1000, 1240, 1250, 1550, 1922, 2000, 2480, 2500, 3100, 3125, 3844, 3875, 4805, 5000, 6200, 6250, 7688, 7750, 9610, 10000, 12400, 12500, 15376, 15500, 15625, 19220, 19375, 24025, 25000, 31000, 31250, 38440, 38750, 48050, 50000, 62000, 62500, 76880, 77500, 96100, 96875, 120125, 125000, 155000, 192200, 193750, 240250, 250000, 310000, 384400, 387500, 480500, 484375, 600625, 775000, 961000, 968750, 1201250, 1550000, 1922000, 1937500, 2402500, 3003125, 3875000, 4805000, 6006250, 7750000, 9610000, 12012500, 15015625, 24025000, 30031250, 48050000, 60062500, 120125000, 240250000]

約数ペア:

[(1, 240250000), (2, 120125000), (4, 60062500), (5, 48050000), (8, 30031250), (10, 24025000), (16, 15015625), (20, 12012500), (25, 9610000), (31, 7750000), (40, 6006250), (50, 4805000), (62, 3875000), (80, 3003125), (100, 2402500), (124, 1937500), (125, 1922000), (155, 1550000), (200, 1201250), (248, 968750), (250, 961000), (310, 775000), (400, 600625), (496, 484375), (500, 480500), (620, 387500), (625, 384400), (775, 310000), (961, 250000), (1000, 240250), (1240, 193750), (1250, 192200), (1550, 155000), (1922, 125000), (2000, 120125), (2480, 96875), (2500, 96100), (3100, 77500), (3125, 76880), (3844, 62500), (3875, 62000), (4805, 50000), (5000, 48050), (6200, 38750), (6250, 38440), (7688, 31250), (7750, 31000), (9610, 25000), (10000, 24025), (12400, 19375), (12500, 19220), (15376, 15625)]