30991204

素因数分解:

$2^2\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 61387200

約数和(自身を除く): 30395996

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 83, 166, 289, 323, 332, 578, 646, 1156, 1292, 1411, 1577, 2822, 3154, 4913, 5491, 5644, 6308, 9826, 10982, 19652, 21964, 23987, 26809, 47974, 53618, 93347, 95948, 107236, 186694, 373388, 407779, 455753, 815558, 911506, 1631116, 1823012, 7747801, 15495602, 30991204]

約数ペア:

[(1, 30991204), (2, 15495602), (4, 7747801), (17, 1823012), (19, 1631116), (34, 911506), (38, 815558), (68, 455753), (76, 407779), (83, 373388), (166, 186694), (289, 107236), (323, 95948), (332, 93347), (578, 53618), (646, 47974), (1156, 26809), (1292, 23987), (1411, 21964), (1577, 19652), (2822, 10982), (3154, 9826), (4913, 6308), (5491, 5644)]