71101940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5581}}^1$

素因数の和:5617

約数の個数: 72

約数和(自身を含む): 187086312

約数和(自身を除く): 115984372

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, 5581, 6370, 11162, 12740, 22324, 27905, 39067, 55810, 72553, 78134, 111620, 145106, 156268, 195335, 273469, 290212, 362765, 390670, 507871, 546938, 725530, 781340, 1015742, 1093876, 1367345, 1451060, 2031484, 2539355, 2734690, 3555097, 5078710, 5469380, 7110194, 10157420, 14220388, 17775485, 35550970, 71101940]

約数ペア:

[(1, 71101940), (2, 35550970), (4, 17775485), (5, 14220388), (7, 10157420), (10, 7110194), (13, 5469380), (14, 5078710), (20, 3555097), (26, 2734690), (28, 2539355), (35, 2031484), (49, 1451060), (52, 1367345), (65, 1093876), (70, 1015742), (91, 781340), (98, 725530), (130, 546938), (140, 507871), (182, 390670), (196, 362765), (245, 290212), (260, 273469), (364, 195335), (455, 156268), (490, 145106), (637, 111620), (910, 78134), (980, 72553), (1274, 55810), (1820, 39067), (2548, 27905), (3185, 22324), (5581, 12740), (6370, 11162)]