31906890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:476

約数の個数: 96

約数和(自身を含む): 89406720

約数和(自身を除く): 57499830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 47, 57, 90, 94, 95, 114, 141, 171, 190, 235, 282, 285, 342, 397, 423, 470, 570, 705, 794, 846, 855, 893, 1191, 1410, 1710, 1786, 1985, 2115, 2382, 2679, 3573, 3970, 4230, 4465, 5358, 5955, 7146, 7543, 8037, 8930, 11910, 13395, 15086, 16074, 17865, 18659, 22629, 26790, 35730, 37318, 37715, 40185, 45258, 55977, 67887, 75430, 80370, 93295, 111954, 113145, 135774, 167931, 186590, 226290, 279885, 335862, 339435, 354521, 559770, 678870, 709042, 839655, 1063563, 1679310, 1772605, 2127126, 3190689, 3545210, 5317815, 6381378, 10635630, 15953445, 31906890]

約数ペア:

[(1, 31906890), (2, 15953445), (3, 10635630), (5, 6381378), (6, 5317815), (9, 3545210), (10, 3190689), (15, 2127126), (18, 1772605), (19, 1679310), (30, 1063563), (38, 839655), (45, 709042), (47, 678870), (57, 559770), (90, 354521), (94, 339435), (95, 335862), (114, 279885), (141, 226290), (171, 186590), (190, 167931), (235, 135774), (282, 113145), (285, 111954), (342, 93295), (397, 80370), (423, 75430), (470, 67887), (570, 55977), (705, 45258), (794, 40185), (846, 37715), (855, 37318), (893, 35730), (1191, 26790), (1410, 22629), (1710, 18659), (1786, 17865), (1985, 16074), (2115, 15086), (2382, 13395), (2679, 11910), (3573, 8930), (3970, 8037), (4230, 7543), (4465, 7146), (5358, 5955)]