1390582544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1789}}^1$

素因数の和:1948

約数の個数: 80

約数和(自身を含む): 3011109360

約数和(自身を除く): 1620526816

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 101, 104, 148, 202, 208, 296, 404, 481, 592, 808, 962, 1313, 1616, 1789, 1924, 2626, 3578, 3737, 3848, 5252, 7156, 7474, 7696, 10504, 14312, 14948, 21008, 23257, 28624, 29896, 46514, 48581, 59792, 66193, 93028, 97162, 132386, 180689, 186056, 194324, 264772, 361378, 372112, 388648, 529544, 722756, 777296, 860509, 1059088, 1445512, 1721018, 2348957, 2891024, 3442036, 4697914, 6685493, 6884072, 9395828, 13370986, 13768144, 18791656, 26741972, 37583312, 53483944, 86911409, 106967888, 173822818, 347645636, 695291272, 1390582544]

約数ペア:

[(1, 1390582544), (2, 695291272), (4, 347645636), (8, 173822818), (13, 106967888), (16, 86911409), (26, 53483944), (37, 37583312), (52, 26741972), (74, 18791656), (101, 13768144), (104, 13370986), (148, 9395828), (202, 6884072), (208, 6685493), (296, 4697914), (404, 3442036), (481, 2891024), (592, 2348957), (808, 1721018), (962, 1445512), (1313, 1059088), (1616, 860509), (1789, 777296), (1924, 722756), (2626, 529544), (3578, 388648), (3737, 372112), (3848, 361378), (5252, 264772), (7156, 194324), (7474, 186056), (7696, 180689), (10504, 132386), (14312, 97162), (14948, 93028), (21008, 66193), (23257, 59792), (28624, 48581), (29896, 46514)]