1868726360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:741

約数の個数: 128

約数和(自身を含む): 4638772800

約数和(自身を除く): 2770046440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 193, 232, 290, 340, 386, 491, 493, 580, 680, 772, 965, 982, 986, 1160, 1544, 1930, 1964, 1972, 2455, 2465, 3281, 3860, 3928, 3944, 4910, 4930, 5597, 6562, 7720, 8347, 9820, 9860, 11194, 13124, 14239, 16405, 16694, 19640, 19720, 22388, 26248, 27985, 28478, 32810, 33388, 41735, 44776, 55970, 56956, 65620, 66776, 71195, 83470, 94763, 95149, 111940, 113912, 131240, 142390, 166940, 189526, 190298, 223880, 242063, 284780, 333880, 379052, 380596, 473815, 475745, 484126, 569560, 758104, 761192, 947630, 951490, 968252, 1210315, 1610971, 1895260, 1902980, 1936504, 2420630, 2748127, 3221942, 3790520, 3805960, 4841260, 5496254, 6443884, 8054855, 9682520, 10992508, 12887768, 13740635, 16109710, 21985016, 27481270, 32219420, 46718159, 54962540, 64438840, 93436318, 109925080, 186872636, 233590795, 373745272, 467181590, 934363180, 1868726360]

約数ペア:

[(1, 1868726360), (2, 934363180), (4, 467181590), (5, 373745272), (8, 233590795), (10, 186872636), (17, 109925080), (20, 93436318), (29, 64438840), (34, 54962540), (40, 46718159), (58, 32219420), (68, 27481270), (85, 21985016), (116, 16109710), (136, 13740635), (145, 12887768), (170, 10992508), (193, 9682520), (232, 8054855), (290, 6443884), (340, 5496254), (386, 4841260), (491, 3805960), (493, 3790520), (580, 3221942), (680, 2748127), (772, 2420630), (965, 1936504), (982, 1902980), (986, 1895260), (1160, 1610971), (1544, 1210315), (1930, 968252), (1964, 951490), (1972, 947630), (2455, 761192), (2465, 758104), (3281, 569560), (3860, 484126), (3928, 475745), (3944, 473815), (4910, 380596), (4930, 379052), (5597, 333880), (6562, 284780), (7720, 242063), (8347, 223880), (9820, 190298), (9860, 189526), (11194, 166940), (13124, 142390), (14239, 131240), (16405, 113912), (16694, 111940), (19640, 95149), (19720, 94763), (22388, 83470), (26248, 71195), (27985, 66776), (28478, 65620), (32810, 56956), (33388, 55970), (41735, 44776)]