30684940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10729}}^1$

素因数の和:10762

約数の個数: 48

約数和(自身を含む): 75710880

約数和(自身を除く): 45025940

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, 2860, 10729, 21458, 42916, 53645, 107290, 118019, 139477, 214580, 236038, 278954, 472076, 557908, 590095, 697385, 1180190, 1394770, 1534247, 2360380, 2789540, 3068494, 6136988, 7671235, 15342470, 30684940]

約数ペア:

[(1, 30684940), (2, 15342470), (4, 7671235), (5, 6136988), (10, 3068494), (11, 2789540), (13, 2360380), (20, 1534247), (22, 1394770), (26, 1180190), (44, 697385), (52, 590095), (55, 557908), (65, 472076), (110, 278954), (130, 236038), (143, 214580), (220, 139477), (260, 118019), (286, 107290), (572, 53645), (715, 42916), (1430, 21458), (2860, 10729)]