291444270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{32491}}^1$

素因数の和:32537

約数の個数: 64

約数和(自身を含む): 786046464

約数和(自身を除く): 494602194

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2990, 4485, 8970, 32491, 64982, 97473, 162455, 194946, 324910, 422383, 487365, 747293, 844766, 974730, 1267149, 1494586, 2111915, 2241879, 2534298, 3736465, 4223830, 4483758, 6335745, 7472930, 9714809, 11209395, 12671490, 19429618, 22418790, 29144427, 48574045, 58288854, 97148090, 145722135, 291444270]

約数ペア:

[(1, 291444270), (2, 145722135), (3, 97148090), (5, 58288854), (6, 48574045), (10, 29144427), (13, 22418790), (15, 19429618), (23, 12671490), (26, 11209395), (30, 9714809), (39, 7472930), (46, 6335745), (65, 4483758), (69, 4223830), (78, 3736465), (115, 2534298), (130, 2241879), (138, 2111915), (195, 1494586), (230, 1267149), (299, 974730), (345, 844766), (390, 747293), (598, 487365), (690, 422383), (897, 324910), (1495, 194946), (1794, 162455), (2990, 97473), (4485, 64982), (8970, 32491)]