835681340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{433}}^1\times {\mathrm{571}}^1$

素因数の和:1039

約数の個数: 72

約数和(自身を含む): 1908034128

約数和(自身を除く): 1072352788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 433, 571, 676, 845, 866, 1142, 1690, 1732, 2165, 2284, 2855, 3380, 4330, 5629, 5710, 7423, 8660, 11258, 11420, 14846, 22516, 28145, 29692, 37115, 56290, 73177, 74230, 96499, 112580, 146354, 148460, 192998, 247243, 292708, 365885, 385996, 482495, 494486, 731770, 964990, 988972, 1236215, 1463540, 1929980, 2472430, 3214159, 4944860, 6428318, 12856636, 16070795, 32141590, 41784067, 64283180, 83568134, 167136268, 208920335, 417840670, 835681340]

約数ペア:

[(1, 835681340), (2, 417840670), (4, 208920335), (5, 167136268), (10, 83568134), (13, 64283180), (20, 41784067), (26, 32141590), (52, 16070795), (65, 12856636), (130, 6428318), (169, 4944860), (260, 3214159), (338, 2472430), (433, 1929980), (571, 1463540), (676, 1236215), (845, 988972), (866, 964990), (1142, 731770), (1690, 494486), (1732, 482495), (2165, 385996), (2284, 365885), (2855, 292708), (3380, 247243), (4330, 192998), (5629, 148460), (5710, 146354), (7423, 112580), (8660, 96499), (11258, 74230), (11420, 73177), (14846, 56290), (22516, 37115), (28145, 29692)]