247008520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{9203}}^1$

素因数の和:9286

約数の個数: 64

約数和(自身を含む): 616299840

約数和(自身を除く): 369291320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6710, 9203, 13420, 18406, 26840, 36812, 46015, 73624, 92030, 101233, 184060, 202466, 368120, 404932, 506165, 561383, 809864, 1012330, 1122766, 2024660, 2245532, 2806915, 4049320, 4491064, 5613830, 6175213, 11227660, 12350426, 22455320, 24700852, 30876065, 49401704, 61752130, 123504260, 247008520]

約数ペア:

[(1, 247008520), (2, 123504260), (4, 61752130), (5, 49401704), (8, 30876065), (10, 24700852), (11, 22455320), (20, 12350426), (22, 11227660), (40, 6175213), (44, 5613830), (55, 4491064), (61, 4049320), (88, 2806915), (110, 2245532), (122, 2024660), (220, 1122766), (244, 1012330), (305, 809864), (440, 561383), (488, 506165), (610, 404932), (671, 368120), (1220, 202466), (1342, 184060), (2440, 101233), (2684, 92030), (3355, 73624), (5368, 46015), (6710, 36812), (9203, 26840), (13420, 18406)]