378799960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6473}}^1$

素因数の和:6521

約数の個数: 128

約数和(自身を含む): 1118707200

約数和(自身を除く): 739907240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 380, 385, 418, 440, 532, 616, 665, 760, 770, 836, 1045, 1064, 1330, 1463, 1540, 1672, 2090, 2660, 2926, 3080, 4180, 5320, 5852, 6473, 7315, 8360, 11704, 12946, 14630, 25892, 29260, 32365, 45311, 51784, 58520, 64730, 71203, 90622, 122987, 129460, 142406, 181244, 226555, 245974, 258920, 284812, 356015, 362488, 453110, 491948, 498421, 569624, 614935, 712030, 860909, 906220, 983896, 996842, 1229870, 1352857, 1424060, 1721818, 1812440, 1993684, 2459740, 2492105, 2705714, 2848120, 3443636, 3987368, 4304545, 4919480, 4984210, 5411428, 6764285, 6887272, 8609090, 9469999, 9968420, 10822856, 13528570, 17218180, 18939998, 19936840, 27057140, 34436360, 37879996, 47349995, 54114280, 75759992, 94699990, 189399980, 378799960]

約数ペア:

[(1, 378799960), (2, 189399980), (4, 94699990), (5, 75759992), (7, 54114280), (8, 47349995), (10, 37879996), (11, 34436360), (14, 27057140), (19, 19936840), (20, 18939998), (22, 17218180), (28, 13528570), (35, 10822856), (38, 9968420), (40, 9469999), (44, 8609090), (55, 6887272), (56, 6764285), (70, 5411428), (76, 4984210), (77, 4919480), (88, 4304545), (95, 3987368), (110, 3443636), (133, 2848120), (140, 2705714), (152, 2492105), (154, 2459740), (190, 1993684), (209, 1812440), (220, 1721818), (266, 1424060), (280, 1352857), (308, 1229870), (380, 996842), (385, 983896), (418, 906220), (440, 860909), (532, 712030), (616, 614935), (665, 569624), (760, 498421), (770, 491948), (836, 453110), (1045, 362488), (1064, 356015), (1330, 284812), (1463, 258920), (1540, 245974), (1672, 226555), (2090, 181244), (2660, 142406), (2926, 129460), (3080, 122987), (4180, 90622), (5320, 71203), (5852, 64730), (6473, 58520), (7315, 51784), (8360, 45311), (11704, 32365), (12946, 29260), (14630, 25892)]