13954340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 30772224

約数和(自身を除く): 16817884

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 317, 355, 620, 634, 710, 1268, 1420, 1585, 2201, 3170, 4402, 6340, 8804, 9827, 11005, 19654, 22010, 22507, 39308, 44020, 45014, 49135, 90028, 98270, 112535, 196540, 225070, 450140, 697717, 1395434, 2790868, 3488585, 6977170, 13954340]

約数ペア:

[(1, 13954340), (2, 6977170), (4, 3488585), (5, 2790868), (10, 1395434), (20, 697717), (31, 450140), (62, 225070), (71, 196540), (124, 112535), (142, 98270), (155, 90028), (284, 49135), (310, 45014), (317, 44020), (355, 39308), (620, 22507), (634, 22010), (710, 19654), (1268, 11005), (1420, 9827), (1585, 8804), (2201, 6340), (3170, 4402)]