2511990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 7469280

約数和(自身を除く): 4957290

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 78, 90, 95, 113, 114, 117, 130, 171, 190, 195, 226, 234, 247, 285, 339, 342, 390, 494, 565, 570, 585, 678, 741, 855, 1017, 1130, 1170, 1235, 1469, 1482, 1695, 1710, 2034, 2147, 2223, 2470, 2938, 3390, 3705, 4294, 4407, 4446, 5085, 6441, 7345, 7410, 8814, 10170, 10735, 11115, 12882, 13221, 14690, 19323, 21470, 22035, 22230, 26442, 27911, 32205, 38646, 44070, 55822, 64410, 66105, 83733, 96615, 132210, 139555, 167466, 193230, 251199, 279110, 418665, 502398, 837330, 1255995, 2511990]

約数ペア:

[(1, 2511990), (2, 1255995), (3, 837330), (5, 502398), (6, 418665), (9, 279110), (10, 251199), (13, 193230), (15, 167466), (18, 139555), (19, 132210), (26, 96615), (30, 83733), (38, 66105), (39, 64410), (45, 55822), (57, 44070), (65, 38646), (78, 32205), (90, 27911), (95, 26442), (113, 22230), (114, 22035), (117, 21470), (130, 19323), (171, 14690), (190, 13221), (195, 12882), (226, 11115), (234, 10735), (247, 10170), (285, 8814), (339, 7410), (342, 7345), (390, 6441), (494, 5085), (565, 4446), (570, 4407), (585, 4294), (678, 3705), (741, 3390), (855, 2938), (1017, 2470), (1130, 2223), (1170, 2147), (1235, 2034), (1469, 1710), (1482, 1695)]