748649960

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1\times {\mathrm{683}}^1$

素因数の和:1170

約数の個数: 64

約数和(自身を含む): 1716292800

約数和(自身を除く): 967642840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 409, 536, 670, 683, 818, 1340, 1366, 1636, 2045, 2680, 2732, 3272, 3415, 4090, 5464, 6830, 8180, 13660, 16360, 27320, 27403, 45761, 54806, 91522, 109612, 137015, 183044, 219224, 228805, 274030, 279347, 366088, 457610, 548060, 558694, 915220, 1096120, 1117388, 1396735, 1830440, 2234776, 2793470, 5586940, 11173880, 18716249, 37432498, 74864996, 93581245, 149729992, 187162490, 374324980, 748649960]

約数ペア:

[(1, 748649960), (2, 374324980), (4, 187162490), (5, 149729992), (8, 93581245), (10, 74864996), (20, 37432498), (40, 18716249), (67, 11173880), (134, 5586940), (268, 2793470), (335, 2234776), (409, 1830440), (536, 1396735), (670, 1117388), (683, 1096120), (818, 915220), (1340, 558694), (1366, 548060), (1636, 457610), (2045, 366088), (2680, 279347), (2732, 274030), (3272, 228805), (3415, 219224), (4090, 183044), (5464, 137015), (6830, 109612), (8180, 91522), (13660, 54806), (16360, 45761), (27320, 27403)]