7804940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2729}}^1$

素因数の和:2762

約数の個数: 48

約数和(自身を含む): 19262880

約数和(自身を除く): 11457940

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2729, 2860, 5458, 10916, 13645, 27290, 30019, 35477, 54580, 60038, 70954, 120076, 141908, 150095, 177385, 300190, 354770, 390247, 600380, 709540, 780494, 1560988, 1951235, 3902470, 7804940]

約数ペア:

[(1, 7804940), (2, 3902470), (4, 1951235), (5, 1560988), (10, 780494), (11, 709540), (13, 600380), (20, 390247), (22, 354770), (26, 300190), (44, 177385), (52, 150095), (55, 141908), (65, 120076), (110, 70954), (130, 60038), (143, 54580), (220, 35477), (260, 30019), (286, 27290), (572, 13645), (715, 10916), (1430, 5458), (2729, 2860)]