381907600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1689

約数の個数: 120

約数和(自身を含む): 997594880

約数和(自身を除く): 615687280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 190, 200, 248, 304, 310, 380, 400, 475, 496, 589, 620, 760, 775, 950, 1178, 1240, 1520, 1550, 1621, 1900, 2356, 2480, 2945, 3100, 3242, 3800, 4712, 5890, 6200, 6484, 7600, 8105, 9424, 11780, 12400, 12968, 14725, 16210, 23560, 25936, 29450, 30799, 32420, 40525, 47120, 50251, 58900, 61598, 64840, 81050, 100502, 117800, 123196, 129680, 153995, 162100, 201004, 235600, 246392, 251255, 307990, 324200, 402008, 492784, 502510, 615980, 648400, 769975, 804016, 954769, 1005020, 1231960, 1256275, 1539950, 1909538, 2010040, 2463920, 2512550, 3079900, 3819076, 4020080, 4773845, 5025100, 6159800, 7638152, 9547690, 10050200, 12319600, 15276304, 19095380, 20100400, 23869225, 38190760, 47738450, 76381520, 95476900, 190953800, 381907600]

約数ペア:

[(1, 381907600), (2, 190953800), (4, 95476900), (5, 76381520), (8, 47738450), (10, 38190760), (16, 23869225), (19, 20100400), (20, 19095380), (25, 15276304), (31, 12319600), (38, 10050200), (40, 9547690), (50, 7638152), (62, 6159800), (76, 5025100), (80, 4773845), (95, 4020080), (100, 3819076), (124, 3079900), (152, 2512550), (155, 2463920), (190, 2010040), (200, 1909538), (248, 1539950), (304, 1256275), (310, 1231960), (380, 1005020), (400, 954769), (475, 804016), (496, 769975), (589, 648400), (620, 615980), (760, 502510), (775, 492784), (950, 402008), (1178, 324200), (1240, 307990), (1520, 251255), (1550, 246392), (1621, 235600), (1900, 201004), (2356, 162100), (2480, 153995), (2945, 129680), (3100, 123196), (3242, 117800), (3800, 100502), (4712, 81050), (5890, 64840), (6200, 61598), (6484, 58900), (7600, 50251), (8105, 47120), (9424, 40525), (11780, 32420), (12400, 30799), (12968, 29450), (14725, 25936), (16210, 23560)]