378200000

素因数分解:

$2^6\times 5^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 168

約数和(自身を含む): 984187008

約数和(自身を除く): 605987008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 61, 62, 64, 80, 100, 122, 124, 125, 155, 160, 200, 244, 248, 250, 305, 310, 320, 400, 488, 496, 500, 610, 620, 625, 775, 800, 976, 992, 1000, 1220, 1240, 1250, 1525, 1550, 1600, 1891, 1952, 1984, 2000, 2440, 2480, 2500, 3050, 3100, 3125, 3782, 3875, 3904, 4000, 4880, 4960, 5000, 6100, 6200, 6250, 7564, 7625, 7750, 8000, 9455, 9760, 9920, 10000, 12200, 12400, 12500, 15128, 15250, 15500, 18910, 19375, 19520, 20000, 24400, 24800, 25000, 30256, 30500, 31000, 37820, 38125, 38750, 40000, 47275, 48800, 49600, 50000, 60512, 61000, 62000, 75640, 76250, 77500, 94550, 96875, 97600, 100000, 121024, 122000, 124000, 151280, 152500, 155000, 189100, 190625, 193750, 200000, 236375, 244000, 248000, 302560, 305000, 310000, 378200, 381250, 387500, 472750, 488000, 605120, 610000, 620000, 756400, 762500, 775000, 945500, 1181875, 1220000, 1240000, 1512800, 1525000, 1550000, 1891000, 2363750, 2440000, 3025600, 3050000, 3100000, 3782000, 4727500, 5909375, 6100000, 6200000, 7564000, 9455000, 11818750, 12200000, 15128000, 18910000, 23637500, 37820000, 47275000, 75640000, 94550000, 189100000, 378200000]

約数ペア:

[(1, 378200000), (2, 189100000), (4, 94550000), (5, 75640000), (8, 47275000), (10, 37820000), (16, 23637500), (20, 18910000), (25, 15128000), (31, 12200000), (32, 11818750), (40, 9455000), (50, 7564000), (61, 6200000), (62, 6100000), (64, 5909375), (80, 4727500), (100, 3782000), (122, 3100000), (124, 3050000), (125, 3025600), (155, 2440000), (160, 2363750), (200, 1891000), (244, 1550000), (248, 1525000), (250, 1512800), (305, 1240000), (310, 1220000), (320, 1181875), (400, 945500), (488, 775000), (496, 762500), (500, 756400), (610, 620000), (620, 610000), (625, 605120), (775, 488000), (800, 472750), (976, 387500), (992, 381250), (1000, 378200), (1220, 310000), (1240, 305000), (1250, 302560), (1525, 248000), (1550, 244000), (1600, 236375), (1891, 200000), (1952, 193750), (1984, 190625), (2000, 189100), (2440, 155000), (2480, 152500), (2500, 151280), (3050, 124000), (3100, 122000), (3125, 121024), (3782, 100000), (3875, 97600), (3904, 96875), (4000, 94550), (4880, 77500), (4960, 76250), (5000, 75640), (6100, 62000), (6200, 61000), (6250, 60512), (7564, 50000), (7625, 49600), (7750, 48800), (8000, 47275), (9455, 40000), (9760, 38750), (9920, 38125), (10000, 37820), (12200, 31000), (12400, 30500), (12500, 30256), (15128, 25000), (15250, 24800), (15500, 24400), (18910, 20000), (19375, 19520)]