201895720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2473}}^1$

素因数の和:2654

約数の個数: 64

約数和(自身を含む): 492523920

約数和(自身を除く): 290628200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 1256, 1570, 2041, 2473, 3140, 4082, 4946, 6280, 8164, 9892, 10205, 12365, 16328, 19784, 20410, 24730, 32149, 40820, 49460, 64298, 81640, 98920, 128596, 160745, 257192, 321490, 388261, 642980, 776522, 1285960, 1553044, 1941305, 3106088, 3882610, 5047393, 7765220, 10094786, 15530440, 20189572, 25236965, 40379144, 50473930, 100947860, 201895720]

約数ペア:

[(1, 201895720), (2, 100947860), (4, 50473930), (5, 40379144), (8, 25236965), (10, 20189572), (13, 15530440), (20, 10094786), (26, 7765220), (40, 5047393), (52, 3882610), (65, 3106088), (104, 1941305), (130, 1553044), (157, 1285960), (260, 776522), (314, 642980), (520, 388261), (628, 321490), (785, 257192), (1256, 160745), (1570, 128596), (2041, 98920), (2473, 81640), (3140, 64298), (4082, 49460), (4946, 40820), (6280, 32149), (8164, 24730), (9892, 20410), (10205, 19784), (12365, 16328)]