1277498900

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{863}}^1$

素因数の和:1121

約数の個数: 72

約数和(自身を含む): 2821319424

約数和(自身を除く): 1543820524

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 131, 226, 262, 452, 524, 565, 655, 863, 1130, 1310, 1726, 2260, 2620, 2825, 3275, 3452, 4315, 5650, 6550, 8630, 11300, 13100, 14803, 17260, 21575, 29606, 43150, 59212, 74015, 86300, 97519, 113053, 148030, 195038, 226106, 296060, 370075, 390076, 452212, 487595, 565265, 740150, 975190, 1130530, 1480300, 1950380, 2261060, 2437975, 2826325, 4875950, 5652650, 9751900, 11305300, 12774989, 25549978, 51099956, 63874945, 127749890, 255499780, 319374725, 638749450, 1277498900]

約数ペア:

[(1, 1277498900), (2, 638749450), (4, 319374725), (5, 255499780), (10, 127749890), (20, 63874945), (25, 51099956), (50, 25549978), (100, 12774989), (113, 11305300), (131, 9751900), (226, 5652650), (262, 4875950), (452, 2826325), (524, 2437975), (565, 2261060), (655, 1950380), (863, 1480300), (1130, 1130530), (1310, 975190), (1726, 740150), (2260, 565265), (2620, 487595), (2825, 452212), (3275, 390076), (3452, 370075), (4315, 296060), (5650, 226106), (6550, 195038), (8630, 148030), (11300, 113053), (13100, 97519), (14803, 86300), (17260, 74015), (21575, 59212), (29606, 43150)]