1246378040

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:992

約数の個数: 64

約数和(自身を含む): 2832096960

約数和(自身を除く): 1585718920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 263, 461, 514, 526, 922, 1028, 1052, 1285, 1315, 1844, 2056, 2104, 2305, 2570, 2630, 3688, 4610, 5140, 5260, 9220, 10280, 10520, 18440, 67591, 118477, 121243, 135182, 236954, 242486, 270364, 337955, 473908, 484972, 540728, 592385, 606215, 675910, 947816, 969944, 1184770, 1212430, 1351820, 2369540, 2424860, 2703640, 4739080, 4849720, 31159451, 62318902, 124637804, 155797255, 249275608, 311594510, 623189020, 1246378040]

約数ペア:

[(1, 1246378040), (2, 623189020), (4, 311594510), (5, 249275608), (8, 155797255), (10, 124637804), (20, 62318902), (40, 31159451), (257, 4849720), (263, 4739080), (461, 2703640), (514, 2424860), (526, 2369540), (922, 1351820), (1028, 1212430), (1052, 1184770), (1285, 969944), (1315, 947816), (1844, 675910), (2056, 606215), (2104, 592385), (2305, 540728), (2570, 484972), (2630, 473908), (3688, 337955), (4610, 270364), (5140, 242486), (5260, 236954), (9220, 135182), (10280, 121243), (10520, 118477), (18440, 67591)]