31429580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2503

約数の個数: 72

約数和(自身を含む): 82717488

約数和(自身を除く): 51287908

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, 2467, 2548, 3185, 4934, 6370, 9868, 12335, 12740, 17269, 24670, 32071, 34538, 49340, 64142, 69076, 86345, 120883, 128284, 160355, 172690, 224497, 241766, 320710, 345380, 448994, 483532, 604415, 641420, 897988, 1122485, 1208830, 1571479, 2244970, 2417660, 3142958, 4489940, 6285916, 7857395, 15714790, 31429580]

約数ペア:

[(1, 31429580), (2, 15714790), (4, 7857395), (5, 6285916), (7, 4489940), (10, 3142958), (13, 2417660), (14, 2244970), (20, 1571479), (26, 1208830), (28, 1122485), (35, 897988), (49, 641420), (52, 604415), (65, 483532), (70, 448994), (91, 345380), (98, 320710), (130, 241766), (140, 224497), (182, 172690), (196, 160355), (245, 128284), (260, 120883), (364, 86345), (455, 69076), (490, 64142), (637, 49340), (910, 34538), (980, 32071), (1274, 24670), (1820, 17269), (2467, 12740), (2548, 12335), (3185, 9868), (4934, 6370)]