30686444

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 36

約数和(自身を含む): 57607200

約数和(自身を除く): 26920756

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 269, 316, 361, 538, 722, 1076, 1444, 1501, 3002, 5111, 6004, 10222, 20444, 21251, 28519, 42502, 57038, 85004, 97109, 114076, 194218, 388436, 403769, 807538, 1615076, 7671611, 15343222, 30686444]

約数ペア:

[(1, 30686444), (2, 15343222), (4, 7671611), (19, 1615076), (38, 807538), (76, 403769), (79, 388436), (158, 194218), (269, 114076), (316, 97109), (361, 85004), (538, 57038), (722, 42502), (1076, 28519), (1444, 21251), (1501, 20444), (3002, 10222), (5111, 6004)]