48887000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 125798400

約数和(自身を除く): 76911400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 31, 38, 40, 50, 62, 76, 83, 95, 100, 124, 125, 152, 155, 166, 190, 200, 248, 250, 310, 332, 380, 415, 475, 500, 589, 620, 664, 760, 775, 830, 950, 1000, 1178, 1240, 1550, 1577, 1660, 1900, 2075, 2356, 2375, 2573, 2945, 3100, 3154, 3320, 3800, 3875, 4150, 4712, 4750, 5146, 5890, 6200, 6308, 7750, 7885, 8300, 9500, 10292, 10375, 11780, 12616, 12865, 14725, 15500, 15770, 16600, 19000, 20584, 20750, 23560, 25730, 29450, 31000, 31540, 39425, 41500, 48887, 51460, 58900, 63080, 64325, 73625, 78850, 83000, 97774, 102920, 117800, 128650, 147250, 157700, 195548, 197125, 244435, 257300, 294500, 315400, 321625, 391096, 394250, 488870, 514600, 589000, 643250, 788500, 977740, 1222175, 1286500, 1577000, 1955480, 2444350, 2573000, 4888700, 6110875, 9777400, 12221750, 24443500, 48887000]

約数ペア:

[(1, 48887000), (2, 24443500), (4, 12221750), (5, 9777400), (8, 6110875), (10, 4888700), (19, 2573000), (20, 2444350), (25, 1955480), (31, 1577000), (38, 1286500), (40, 1222175), (50, 977740), (62, 788500), (76, 643250), (83, 589000), (95, 514600), (100, 488870), (124, 394250), (125, 391096), (152, 321625), (155, 315400), (166, 294500), (190, 257300), (200, 244435), (248, 197125), (250, 195548), (310, 157700), (332, 147250), (380, 128650), (415, 117800), (475, 102920), (500, 97774), (589, 83000), (620, 78850), (664, 73625), (760, 64325), (775, 63080), (830, 58900), (950, 51460), (1000, 48887), (1178, 41500), (1240, 39425), (1550, 31540), (1577, 31000), (1660, 29450), (1900, 25730), (2075, 23560), (2356, 20750), (2375, 20584), (2573, 19000), (2945, 16600), (3100, 15770), (3154, 15500), (3320, 14725), (3800, 12865), (3875, 12616), (4150, 11780), (4712, 10375), (4750, 10292), (5146, 9500), (5890, 8300), (6200, 7885), (6308, 7750)]