291223660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{22859}}^1$

素因数の和:22895

約数の個数: 72

約数和(自身を含む): 766175760

約数和(自身を除く): 474952100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 22859, 45718, 91436, 114295, 160013, 228590, 297167, 320026, 457180, 594334, 640052, 800065, 1120091, 1188668, 1485835, 1600130, 2080169, 2240182, 2971670, 3200260, 4160338, 4480364, 5600455, 5943340, 8320676, 10400845, 11200910, 14561183, 20801690, 22401820, 29122366, 41603380, 58244732, 72805915, 145611830, 291223660]

約数ペア:

[(1, 291223660), (2, 145611830), (4, 72805915), (5, 58244732), (7, 41603380), (10, 29122366), (13, 22401820), (14, 20801690), (20, 14561183), (26, 11200910), (28, 10400845), (35, 8320676), (49, 5943340), (52, 5600455), (65, 4480364), (70, 4160338), (91, 3200260), (98, 2971670), (130, 2240182), (140, 2080169), (182, 1600130), (196, 1485835), (245, 1188668), (260, 1120091), (364, 800065), (455, 640052), (490, 594334), (637, 457180), (910, 320026), (980, 297167), (1274, 228590), (1820, 160013), (2548, 114295), (3185, 91436), (6370, 45718), (12740, 22859)]