7401940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:126

約数の個数: 96

約数和(自身を含む): 19756800

約数和(自身を除く): 12354860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 83, 91, 98, 130, 140, 166, 182, 196, 245, 260, 332, 343, 364, 415, 455, 490, 581, 637, 686, 830, 910, 980, 1079, 1162, 1274, 1372, 1660, 1715, 1820, 2158, 2324, 2548, 2905, 3185, 3430, 4067, 4316, 4459, 5395, 5810, 6370, 6860, 7553, 8134, 8918, 10790, 11620, 12740, 15106, 16268, 17836, 20335, 21580, 22295, 28469, 30212, 37765, 40670, 44590, 52871, 56938, 75530, 81340, 89180, 105742, 113876, 142345, 151060, 211484, 264355, 284690, 370097, 528710, 569380, 740194, 1057420, 1480388, 1850485, 3700970, 7401940]

約数ペア:

[(1, 7401940), (2, 3700970), (4, 1850485), (5, 1480388), (7, 1057420), (10, 740194), (13, 569380), (14, 528710), (20, 370097), (26, 284690), (28, 264355), (35, 211484), (49, 151060), (52, 142345), (65, 113876), (70, 105742), (83, 89180), (91, 81340), (98, 75530), (130, 56938), (140, 52871), (166, 44590), (182, 40670), (196, 37765), (245, 30212), (260, 28469), (332, 22295), (343, 21580), (364, 20335), (415, 17836), (455, 16268), (490, 15106), (581, 12740), (637, 11620), (686, 10790), (830, 8918), (910, 8134), (980, 7553), (1079, 6860), (1162, 6370), (1274, 5810), (1372, 5395), (1660, 4459), (1715, 4316), (1820, 4067), (2158, 3430), (2324, 3185), (2548, 2905)]