254589930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21269}}^1$

素因数の和:21308

約数の個数: 96

約数和(自身を含む): 796348800

約数和(自身を除く): 541758870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1995, 2394, 3990, 5985, 11970, 21269, 42538, 63807, 106345, 127614, 148883, 191421, 212690, 297766, 319035, 382842, 404111, 446649, 638070, 744415, 808222, 893298, 957105, 1212333, 1339947, 1488830, 1914210, 2020555, 2233245, 2424666, 2679894, 2828777, 3636999, 4041110, 4466490, 5657554, 6061665, 6699735, 7273998, 8486331, 12123330, 13399470, 14143885, 16972662, 18184995, 25458993, 28287770, 36369990, 42431655, 50917986, 84863310, 127294965, 254589930]

約数ペア:

[(1, 254589930), (2, 127294965), (3, 84863310), (5, 50917986), (6, 42431655), (7, 36369990), (9, 28287770), (10, 25458993), (14, 18184995), (15, 16972662), (18, 14143885), (19, 13399470), (21, 12123330), (30, 8486331), (35, 7273998), (38, 6699735), (42, 6061665), (45, 5657554), (57, 4466490), (63, 4041110), (70, 3636999), (90, 2828777), (95, 2679894), (105, 2424666), (114, 2233245), (126, 2020555), (133, 1914210), (171, 1488830), (190, 1339947), (210, 1212333), (266, 957105), (285, 893298), (315, 808222), (342, 744415), (399, 638070), (570, 446649), (630, 404111), (665, 382842), (798, 319035), (855, 297766), (1197, 212690), (1330, 191421), (1710, 148883), (1995, 127614), (2394, 106345), (3990, 63807), (5985, 42538), (11970, 21269)]