256748467430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1180507}}^1$

素因数の和:1180773

約数の個数: 64

約数和(自身を含む): 571176990720

約数和(自身を除く): 314428523290

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 239, 455, 478, 910, 1195, 1673, 2390, 3107, 3346, 6214, 8365, 15535, 16730, 21749, 31070, 43498, 108745, 217490, 1180507, 2361014, 5902535, 8263549, 11805070, 15346591, 16527098, 30693182, 41317745, 76732955, 82635490, 107426137, 153465910, 214852274, 282141173, 537130685, 564282346, 1074261370, 1410705865, 1974988211, 2821411730, 3667835249, 3949976422, 7335670498, 9874941055, 18339176245, 19749882110, 25674846743, 36678352490, 51349693486, 128374233715, 256748467430]

約数ペア:

[(1, 256748467430), (2, 128374233715), (5, 51349693486), (7, 36678352490), (10, 25674846743), (13, 19749882110), (14, 18339176245), (26, 9874941055), (35, 7335670498), (65, 3949976422), (70, 3667835249), (91, 2821411730), (130, 1974988211), (182, 1410705865), (239, 1074261370), (455, 564282346), (478, 537130685), (910, 282141173), (1195, 214852274), (1673, 153465910), (2390, 107426137), (3107, 82635490), (3346, 76732955), (6214, 41317745), (8365, 30693182), (15535, 16527098), (16730, 15346591), (21749, 11805070), (31070, 8263549), (43498, 5902535), (108745, 2361014), (217490, 1180507)]