7178990

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 80

約数和(自身を含む): 16940448

約数和(自身を除く): 9761458

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 49, 65, 70, 91, 98, 115, 130, 161, 182, 230, 245, 299, 322, 343, 455, 490, 598, 637, 686, 805, 910, 1127, 1274, 1495, 1610, 1715, 2093, 2254, 2401, 2990, 3185, 3430, 4186, 4459, 4802, 5635, 6370, 7889, 8918, 10465, 11270, 12005, 14651, 15778, 20930, 22295, 24010, 29302, 31213, 39445, 44590, 55223, 62426, 73255, 78890, 102557, 110446, 146510, 156065, 205114, 276115, 312130, 512785, 552230, 717899, 1025570, 1435798, 3589495, 7178990]

約数ペア:

[(1, 7178990), (2, 3589495), (5, 1435798), (7, 1025570), (10, 717899), (13, 552230), (14, 512785), (23, 312130), (26, 276115), (35, 205114), (46, 156065), (49, 146510), (65, 110446), (70, 102557), (91, 78890), (98, 73255), (115, 62426), (130, 55223), (161, 44590), (182, 39445), (230, 31213), (245, 29302), (299, 24010), (322, 22295), (343, 20930), (455, 15778), (490, 14651), (598, 12005), (637, 11270), (686, 10465), (805, 8918), (910, 7889), (1127, 6370), (1274, 5635), (1495, 4802), (1610, 4459), (1715, 4186), (2093, 3430), (2254, 3185), (2401, 2990)]