82142620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1061}}^1$

素因数の和:1163

約数の個数: 72

約数和(自身を含む): 203394240

約数和(自身を除く): 121251620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1061, 1106, 1580, 2122, 2212, 2765, 3871, 4244, 5305, 5530, 7427, 7742, 10610, 11060, 14854, 15484, 19355, 21220, 29708, 37135, 38710, 51989, 74270, 77420, 83819, 103978, 148540, 167638, 207956, 259945, 335276, 419095, 519890, 586733, 838190, 1039780, 1173466, 1676380, 2346932, 2933665, 4107131, 5867330, 8214262, 11734660, 16428524, 20535655, 41071310, 82142620]

約数ペア:

[(1, 82142620), (2, 41071310), (4, 20535655), (5, 16428524), (7, 11734660), (10, 8214262), (14, 5867330), (20, 4107131), (28, 2933665), (35, 2346932), (49, 1676380), (70, 1173466), (79, 1039780), (98, 838190), (140, 586733), (158, 519890), (196, 419095), (245, 335276), (316, 259945), (395, 207956), (490, 167638), (553, 148540), (790, 103978), (980, 83819), (1061, 77420), (1106, 74270), (1580, 51989), (2122, 38710), (2212, 37135), (2765, 29708), (3871, 21220), (4244, 19355), (5305, 15484), (5530, 14854), (7427, 11060), (7742, 10610)]