1812118825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:967

約数の個数: 96

約数和(自身を含む): 2854103040

約数和(自身を除く): 1041984215

約数列:

[1, 5, 11, 17, 19, 23, 25, 55, 85, 95, 115, 187, 209, 253, 275, 323, 391, 425, 437, 475, 575, 887, 935, 1045, 1265, 1615, 1955, 2185, 3553, 4301, 4435, 4675, 4807, 5225, 6325, 7429, 8075, 9757, 9775, 10925, 15079, 16853, 17765, 20401, 21505, 22175, 24035, 37145, 48785, 75395, 81719, 84265, 88825, 102005, 107525, 120175, 165869, 185383, 185725, 224411, 243925, 286501, 346817, 376975, 387619, 408595, 421325, 510025, 829345, 926915, 1122055, 1432505, 1734085, 1938095, 2042975, 3151511, 3814987, 4146725, 4263809, 4634575, 5610275, 6589523, 7162525, 8670425, 9690475, 15757555, 19074935, 21319045, 32947615, 72484753, 78787775, 95374675, 106595225, 164738075, 362423765, 1812118825]

約数ペア:

[(1, 1812118825), (5, 362423765), (11, 164738075), (17, 106595225), (19, 95374675), (23, 78787775), (25, 72484753), (55, 32947615), (85, 21319045), (95, 19074935), (115, 15757555), (187, 9690475), (209, 8670425), (253, 7162525), (275, 6589523), (323, 5610275), (391, 4634575), (425, 4263809), (437, 4146725), (475, 3814987), (575, 3151511), (887, 2042975), (935, 1938095), (1045, 1734085), (1265, 1432505), (1615, 1122055), (1955, 926915), (2185, 829345), (3553, 510025), (4301, 421325), (4435, 408595), (4675, 387619), (4807, 376975), (5225, 346817), (6325, 286501), (7429, 243925), (8075, 224411), (9757, 185725), (9775, 185383), (10925, 165869), (15079, 120175), (16853, 107525), (17765, 102005), (20401, 88825), (21505, 84265), (22175, 81719), (24035, 75395), (37145, 48785)]